more etymology

Signed-off-by: Mattias Andrée <maandree@operamail.com>

4 files changed, 334 insertions, 0 deletions

diff --git a/include/errno.h b/include/errno.h
index 390c463..293c0d0 100644
--- a/include/errno.h
+++ b/include/errno.h
@@ -39,6 +39,8 @@
 /**
  * A modifiable lvalue used to describe an error
  * that has occurred in the thread.
+ * 
+ * @etymology  (Err)or (number).
  */
 #define errno  (*__errno())
 
diff --git a/include/error.h b/include/error.h
index d6acb6e..5d0e24f 100644
--- a/include/error.h
+++ b/include/error.h
@@ -36,6 +36,8 @@
  * 
  * This is a GNU extension.
  * 
+ * @etymology  Report (error)!
+ * 
  * @param  status  The process will exit, with the function returning, with this
  *                 exit status, unless it is zero. If zero, the process shall not exit.
  * @param  errnum  The value of `errno` when the error occurred, zero if the a textual
@@ -52,6 +54,8 @@ void error(int, int, const char*, ...)
  * 
  * This is a slibc extension to the GNU extension `error`.
  * 
+ * @etymology  (V)ariadic version of (`error`).
+ * 
  * @param  status  The process will exit, with the function returning, with this
  *                 exit status, unless it is zero. If zero, the process shall not exit.
  * @param  errnum  The value of `errno` when the error occurred, zero if the a textual
@@ -71,6 +75,8 @@ void verror(int, int, const char*, va_list);
  * 
  * This is a GNU extension.
  * 
+ * @etymology  Report (error at line) in source code!
+ * 
  * @param  status    The process will exit, with the function returning, with this
  *                   exit status, unless it is zero. If zero, the process shall not exit.
  * @param  errnum    The value of `errno` when the error occurred, zero if the a textual
@@ -90,6 +96,8 @@ void error_at_line(int, int, const char*, unsigned int, const char*, ...)
  * 
  * This is a slibc extension to the GNU extension `error_at_line`.
  * 
+ * @etymology  (V)ariadic version of (`error_at_line`).
+ * 
  * @param  status    The process will exit, with the function returning, with this
  *                   exit status, unless it is zero. If zero, the process shall not exit.
  * @param  errnum    The value of `errno` when the error occurred, zero if the a textual
@@ -111,6 +119,8 @@ void verror_at_line(int, int, const char*, unsigned int, const char*, va_list);
  * This variable is global and shared by all threads.
  * 
  * This is a GNU extension.
+ * 
+ * @etymology  (`error`)-subsystem: (message count).
  */
 extern volatile unsigned int error_message_count;
 
@@ -129,6 +139,8 @@ extern volatile unsigned int error_message_count;
  * occurred on the same line as the last time.
  * 
  * This is a GNU extension.
+ * 
+ * @etymology  (`error`)-subsystem: print (one) time (per line).
  */
 extern volatile int error_one_per_line;
 
@@ -140,6 +152,8 @@ extern volatile int error_one_per_line;
  * shared by all threads.
  * 
  * This is a GNU extension.
+ * 
+ * @etymology  (`error`)-subsystem function: (print) the (prog)ram's (name).
  */
 extern void (*volatile error_print_progname)(void);
 #endif
diff --git a/include/inttypes.h b/include/inttypes.h
index d99b334..5602e97 100644
--- a/include/inttypes.h
+++ b/include/inttypes.h
@@ -37,6 +37,8 @@
  * Perform an integer division and return
  * both the quotient and the remainder.
  * 
+ * @etymology  `(i)nt(max)_t`-function: (div)ide.
+ * 
  * @param   numerator    The numerator.
  * @param   denominator  The denominator, must not be 0 lest
  *                       the process will be killed by SIGFPE.
@@ -54,6 +56,8 @@ imaxdiv_t imaxdiv(intmax_t, intmax_t)
  * overflow, and `INTMAX_MIN` will (probably)
  * be returned.
  * 
+ * @etymology  `(i)nt(max)_t`-function: (abs)olute value.
+ * 
  * @param   value  The integer.
  * @return         The absolute value of the integer.
  */
@@ -173,24 +177,32 @@ intmax_t (imaxabs)(intmax_t)
 /**
  * %-code, excluding the %, for printing
  * an int8_t in decimal form.
+ * 
+ * @etymology  `(pri)ntf` `%(d)` for `int(8)_t`.
  */
 #define PRId8  __PRI8 "d"
 
 /**
  * %-code, excluding the %, for printing
  * an int16_t in decimal form.
+ * 
+ * @etymology  `(pri)ntf` `%(d)` for `int(16)_t`.
  */
 #define PRId16  __PRI16 "d"
 
 /**
  * %-code, excluding the %, for printing
  * an int32_t in decimal form.
+ * 
+ * @etymology  `(pri)ntf` `%(d)` for `int(32)_t`.
  */
 #define PRId32  __PRI32 "d"
 
 /**
  * %-code, excluding the %, for printing
  * an int64_t in decimal form.
+ * 
+ * @etymology  `(pri)ntf` `%(d)` for `int(64)_t`.
  */
 #define PRId64  __PRI64 "d"
 
@@ -198,24 +210,32 @@ intmax_t (imaxabs)(intmax_t)
 /**
  * %-code, excluding the %, for printing
  * an int_least8_t in decimal form.
+ * 
+ * @etymology  `(pri)ntf` `%(d)` for `int_(least8)_t`.
  */
 #define PRIdLEAST8  PRId8
 
 /**
  * %-code, excluding the %, for printing
  * an int_least16_t in decimal form.
+ * 
+ * @etymology  `(pri)ntf` `%(d)` for `int_(least16)_t`.
  */
 #define PRIdLEAST16  PRId16
 
 /**
  * %-code, excluding the %, for printing
  * an int_least32_t in decimal form.
+ * 
+ * @etymology  `(pri)ntf` `%(d)` for `int_(least32)_t`.
  */
 #define PRIdLEAST32  PRId32
 
 /**
  * %-code, excluding the %, for printing
  * an int_least64_t in decimal form.
+ * 
+ * @etymology  `(pri)ntf` `%(d)` for `int_(least64)_t`.
  */
 #define PRIdLEAST64  PRId64
 
@@ -223,24 +243,32 @@ intmax_t (imaxabs)(intmax_t)
 /**
  * %-code, excluding the %, for printing
  * an int_fast8_t in decimal form.
+ * 
+ * @etymology  `(pri)ntf` `%(d)` for `int_(fast8)_t`.
  */
 #define PRIdFAST8  __PRIFAST8 "d"
 
 /**
  * %-code, excluding the %, for printing
  * an int_fast16_t in decimal form.
+ * 
+ * @etymology  `(pri)ntf` `%(d)` for `int_(fast16)_t`.
  */
 #define PRIdFAST16  __PRIFAST16 "d"
 
 /**
  * %-code, excluding the %, for printing
  * an int_fast32_t in decimal form.
+ * 
+ * @etymology  `(pri)ntf` `%(d)` for `int_(fast32)_t`.
  */
 #define PRIdFAST32  __PRIFAST32 "d"
 
 /**
  * %-code, excluding the %, for printing
  * an int_fast64_t in decimal form.
+ * 
+ * @etymology  `(pri)ntf` `%(d)` for `int_(fast64)_t`.
  */
 #define PRIdFAST64  __PRIFAST64 "d"
 
@@ -249,24 +277,32 @@ intmax_t (imaxabs)(intmax_t)
 /**
  * %-code, excluding the %, for printing
  * an int8_t in decimal form.
+ * 
+ * @etymology  `(pri)ntf` `%(i)` for `int(8)_t`.
  */
 #define PRIi8  __PRI8 "i"
 
 /**
  * %-code, excluding the %, for printing
  * an int16_t in decimal form.
+ * 
+ * @etymology  `(pri)ntf` `%(i)` for `int(16)_t`.
  */
 #define PRIi16  __PRI16 "i"
 
 /**
  * %-code, excluding the %, for printing
  * an int32_t in decimal form.
+ * 
+ * @etymology  `(pri)ntf` `%(i)` for `int(32)_t`.
  */
 #define PRIi32  __PRI32 "i"
 
 /**
  * %-code, excluding the %, for printing
  * an int64_t in decimal form.
+ * 
+ * @etymology  `(pri)ntf` `%(i)` for `int(64)_t`.
  */
 #define PRIi64  __PRI64 "i"
 
@@ -274,24 +310,32 @@ intmax_t (imaxabs)(intmax_t)
 /**
  * %-code, excluding the %, for printing
  * an int_least8_t in decimal form.
+ * 
+ * @etymology  `(pri)ntf` `%(i)` for `int_(least8)_t`.
  */
 #define PRIiLEAST8  PRIi8
 
 /**
  * %-code, excluding the %, for printing
  * an int_least16_t in decimal form.
+ * 
+ * @etymology  `(pri)ntf` `%(i)` for `int_(least16)_t`.
  */
 #define PRIiLEAST16  PRIi16
 
 /**
  * %-code, excluding the %, for printing
  * an int_least32_t in decimal form.
+ * 
+ * @etymology  `(pri)ntf` `%(i)` for `int_(least32)_t`.
  */
 #define PRIiLEAST32  PRIi32
 
 /**
  * %-code, excluding the %, for printing
  * an int_least64_t in decimal form.
+ * 
+ * @etymology  `(pri)ntf` `%(i)` for `int_(least64)_t`.
  */
 #define PRIiLEAST64  PRIi64
 
@@ -299,24 +343,32 @@ intmax_t (imaxabs)(intmax_t)
 /**
  * %-code, excluding the %, for printing
  * an int_fast8_t in decimal form.
+ * 
+ * @etymology  `(pri)ntf` `%(i)` for `int_(fast8)_t`.
  */
 #define PRIiFAST8  __PRIFAST8 "i"
 
 /**
  * %-code, excluding the %, for printing
  * an int_fast16_t in decimal form.
+ * 
+ * @etymology  `(pri)ntf` `%(i)` for `int_(fast16)_t`.
  */
 #define PRIiFAST16  __PRIFAST16 "i"
 
 /**
  * %-code, excluding the %, for printing
  * an int_fast32_t in decimal form.
+ * 
+ * @etymology  `(pri)ntf` `%(i)` for `int_(fast32)_t`.
  */
 #define PRIiFAST32  __PRIFAST32 "i"
 
 /**
  * %-code, excluding the %, for printing
  * an int_fast64_t in decimal form.
+ * 
+ * @etymology  `(pri)ntf` `%(i)` for `int_(fast64)_t`.
  */
 #define PRIiFAST64  __PRIFAST64 "i"
 
@@ -325,24 +377,32 @@ intmax_t (imaxabs)(intmax_t)
 /**
  * %-code, excluding the %, for printing
  * an uint8_t in octal form.
+ * 
+ * @etymology  `(pri)ntf` `%(o)` for `int(8)_t`.
  */
 #define PRIo8  __PRI8 "o"
 
 /**
  * %-code, excluding the %, for printing
  * an uint16_t in octal form.
+ * 
+ * @etymology  `(pri)ntf` `%(o)` for `int(16)_t`.
  */
 #define PRIo16  __PRI16 "o"
 
 /**
  * %-code, excluding the %, for printing
  * an uint32_t in octal form.
+ * 
+ * @etymology  `(pri)ntf` `%(o)` for `int(32)_t`.
  */
 #define PRIo32  __PRI32 "o"
 
 /**
  * %-code, excluding the %, for printing
  * an uint64_t in octal form.
+ * 
+ * @etymology  `(pri)ntf` `%(o)` for `int(64)_t`.
  */
 #define PRIo64  __PRI64 "o"
 
@@ -350,24 +410,32 @@ intmax_t (imaxabs)(intmax_t)
 /**
  * %-code, excluding the %, for printing
  * an uint_least8_t in octal form.
+ * 
+ * @etymology  `(pri)ntf` `%(o)` for `uint_(least8)_t`.
  */
 #define PRIoLEAST8  PRIo8
 
 /**
  * %-code, excluding the %, for printing
  * an uint_least16_t in octal form.
+ * 
+ * @etymology  `(pri)ntf` `%(o)` for `uint_(least16)_t`.
  */
 #define PRIoLEAST16  PRIo16
 
 /**
  * %-code, excluding the %, for printing
  * an uint_least32_t in octal form.
+ * 
+ * @etymology  `(pri)ntf` `%(o)` for `uint_(least32)_t`.
  */
 #define PRIoLEAST32  PRIo32
 
 /**
  * %-code, excluding the %, for printing
  * an uint_least64_t in octal form.
+ * 
+ * @etymology  `(pri)ntf` `%(o)` for `uint_(least64)_t`.
  */
 #define PRIoLEAST64  PRIo64
 
@@ -375,24 +443,32 @@ intmax_t (imaxabs)(intmax_t)
 /**
  * %-code, excluding the %, for printing
  * an uint_fast8_t in octal form.
+ * 
+ * @etymology  `(pri)ntf` `%(o)` for `uint_(fast8)_t`.
  */
 #define PRIoFAST8  __PRIFAST8 "o"
 
 /**
  * %-code, excluding the %, for printing
  * an uint_fast16_t in octal form.
+ * 
+ * @etymology  `(pri)ntf` `%(o)` for `uint_(fast16)_t`.
  */
 #define PRIoFAST16  __PRIFAST16 "o"
 
 /**
  * %-code, excluding the %, for printing
  * an uint_fast32_t in octal form.
+ * 
+ * @etymology  `(pri)ntf` `%(o)` for `uint_(fast32)_t`.
  */
 #define PRIoFAST32  __PRIFAST32 "o"
 
 /**
  * %-code, excluding the %, for printing
  * an uint_fast64_t in octal form.
+ * 
+ * @etymology  `(pri)ntf` `%(o)` for `uint_(fast64)_t`.
  */
 #define PRIoFAST64  __PRIFAST64 "o"
 
@@ -401,24 +477,32 @@ intmax_t (imaxabs)(intmax_t)
 /**
  * %-code, excluding the %, for printing
  * an uint8_t in decimal form.
+ * 
+ * @etymology  `(pri)ntf` `%(u)` for `uint(8)_t`.
  */
 #define PRIu8  __PRI8 "u"
 
 /**
  * %-code, excluding the %, for printing
  * an uint16_t in decimal form.
+ * 
+ * @etymology  `(pri)ntf` `%(u)` for `uint(16)_t`.
  */
 #define PRIu16  __PRI16 "u"
 
 /**
  * %-code, excluding the %, for printing
  * an uint32_t in decimal form.
+ * 
+ * @etymology  `(pri)ntf` `%(u)` for `uint(32)_t`.
  */
 #define PRIu32  __PRI32 "u"
 
 /**
  * %-code, excluding the %, for printing
  * an uint64_t in decimal form.
+ * 
+ * @etymology  `(pri)ntf` `%(u)` for `uint(64)_t`.
  */
 #define PRIu64  __PRI64 "u"
 
@@ -426,24 +510,32 @@ intmax_t (imaxabs)(intmax_t)
 /**
  * %-code, excluding the %, for printing
  * an uint_least8_t in decimal form.
+ * 
+ * @etymology  `(pri)ntf` `%(u)` for `uint_(least8)_t`.
  */
 #define PRIuLEAST8  PRIu8
 
 /**
  * %-code, excluding the %, for printing
  * an uint_least16_t in decimal form.
+ * 
+ * @etymology  `(pri)ntf` `%(u)` for `uint_(least16)_t`.
  */
 #define PRIuLEAST16  PRIu16
 
 /**
  * %-code, excluding the %, for printing
  * an uint_least32_t in decimal form.
+ * 
+ * @etymology  `(pri)ntf` `%(u)` for `uint_(least32)_t`.
  */
 #define PRIuLEAST32  PRIu32
 
 /**
  * %-code, excluding the %, for printing
  * an uint_least64_t in decimal form.
+ * 
+ * @etymology  `(pri)ntf` `%(u)` for `uint_(least64)_t`.
  */
 #define PRIuLEAST64  PRIu64
 
@@ -451,24 +543,32 @@ intmax_t (imaxabs)(intmax_t)
 /**
  * %-code, excluding the %, for printing
  * an uint_fast8_t in decimal form.
+ * 
+ * @etymology  `(pri)ntf` `%(u)` for `uint_(fast8)_t`.
  */
 #define PRIuFAST8  __PRIFAST8 "u"
 
 /**
  * %-code, excluding the %, for printing
  * an uint_fast16_t in decimal form.
+ * 
+ * @etymology  `(pri)ntf` `%(u)` for `uint_(fast16)_t`.
  */
 #define PRIuFAST16  __PRIFAST16 "u"
 
 /**
  * %-code, excluding the %, for printing
  * an uint_fast32_t in decimal form.
+ * 
+ * @etymology  `(pri)ntf` `%(u)` for `uint_(fast32)_t`.
  */
 #define PRIuFAST32  __PRIFAST32 "u"
 
 /**
  * %-code, excluding the %, for printing
  * an uint_fast64_t in decimal form.
+ * 
+ * @etymology  `(pri)ntf` `%(u)` for `uint_(fast64)_t`.
  */
 #define PRIuFAST64  __PRIFAST64 "u"
 
@@ -477,24 +577,32 @@ intmax_t (imaxabs)(intmax_t)
 /**
  * %-code, excluding the %, for printing an
  * uint8_t in lowercase hexadecimal form.
+ * 
+ * @etymology  `(pri)ntf` `%(x)` for `uint(8)_t`.
  */
 #define PRIx8  __PRI8 "x"
 
 /**
  * %-code, excluding the %, for printing an
  * uint16_t in lowercase hexadecimal form.
+ * 
+ * @etymology  `(pri)ntf` `%(x)` for `uint(16)_t`.
  */
 #define PRIx16  __PRI16 "x"
 
 /**
  * %-code, excluding the %, for printing an
  * uint32_t in lowercase hexadecimal form.
+ * 
+ * @etymology  `(pri)ntf` `%(x)` for `uint(32)_t`.
  */
 #define PRIx32  __PRI32 "x"
 
 /**
  * %-code, excluding the %, for printing an
  * uint64_t in lowercase hexadecimal form.
+ * 
+ * @etymology  `(pri)ntf` `%(x)` for `uint(64)_t`.
  */
 #define PRIx64  __PRI64 "x"
 
@@ -502,24 +610,32 @@ intmax_t (imaxabs)(intmax_t)
 /**
  * %-code, excluding the %, for printing an
  * uint_least8_t in lowercase hexadecimal form.
+ * 
+ * @etymology  `(pri)ntf` `%(x)` for `uint_(least8)_t`.
  */
 #define PRIxLEAST8  PRIx8
 
 /**
  * %-code, excluding the %, for printing an
  * uint_least16_t in lowercase hexadecimal form.
+ * 
+ * @etymology  `(pri)ntf` `%(x)` for `uint_(least16)_t`.
  */
 #define PRIxLEAST16  PRIx16
 
 /**
  * %-code, excluding the %, for printing an
  * uint_least32_t in lowercase hexadecimal form.
+ * 
+ * @etymology  `(pri)ntf` `%(x)` for `uint_(least32)_t`.
  */
 #define PRIxLEAST32  PRIx32
 
 /**
  * %-code, excluding the %, for printing an
  * uint_least64_t in lowercase hexadecimal form.
+ * 
+ * @etymology  `(pri)ntf` `%(x)` for `uint_(least64)_t`.
  */
 #define PRIxLEAST64  PRIx64
 
@@ -527,24 +643,32 @@ intmax_t (imaxabs)(intmax_t)
 /**
  * %-code, excluding the %, for printing an
  * uint_fast8_t in lowercase hexadecimal form.
+ * 
+ * @etymology  `(pri)ntf` `%(x)` for `uint_(fast8)_t`.
  */
 #define PRIxFAST8  __PRIFAST8 "x"
 
 /**
  * %-code, excluding the %, for printing an
  * uint_fast16_t in lowercase hexadecimal form.
+ * 
+ * @etymology  `(pri)ntf` `%(x)` for `uint_(fast16)_t`.
  */
 #define PRIxFAST16  __PRIFAST16 "x"
 
 /**
  * %-code, excluding the %, for printing an
  * uint_fast32_t in lowercase hexadecimal form.
+ * 
+ * @etymology  `(pri)ntf` `%(x)` for `uint_(fast32)_t`.
  */
 #define PRIxFAST32  __PRIFAST32 "x"
 
 /**
  * %-code, excluding the %, for printing an
  * uint_fast64_t in lowercase hexadecimal form.
+ * 
+ * @etymology  `(pri)ntf` `%(x)` for `uint_(fast64)_t`.
  */
 #define PRIxFAST64  __PRIFAST64 "x"
 
@@ -553,24 +677,32 @@ intmax_t (imaxabs)(intmax_t)
 /**
  * %-code, excluding the %, for printing an
  * uint8_t in uppercase hexadecimal form.
+ * 
+ * @etymology  `(pri)ntf` `%(X)` for `uint(8)_t`.
  */
 #define PRIX8  __PRI8 "X"
 
 /**
  * %-code, excluding the %, for printing an
  * uint16_t in uppercase hexadecimal form.
+ * 
+ * @etymology  `(pri)ntf` `%(X)` for `uint(16)_t`.
  */
 #define PRIX16  __PRI16 "X"
 
 /**
  * %-code, excluding the %, for printing an
  * uint32_t in uppercase hexadecimal form.
+ * 
+ * @etymology  `(pri)ntf` `%(X)` for `uint(32)_t`.
  */
 #define PRIX32  __PRI32 "X"
 
 /**
  * %-code, excluding the %, for printing an
  * uint64_t in uppercase hexadecimal form.
+ * 
+ * @etymology  `(pri)ntf` `%(X)` for `uint(64)_t`.
  */
 #define PRIX64  __PRI64 "X"
 
@@ -578,24 +710,32 @@ intmax_t (imaxabs)(intmax_t)
 /**
  * %-code, excluding the %, for printing an
  * uint_least8_t in uppercase hexadecimal form.
+ * 
+ * @etymology  `(pri)ntf` `%(X)` for `uint_(least8)_t`.
  */
 #define PRIXLEAST8  PRIX8
 
 /**
  * %-code, excluding the %, for printing an
  * uint_least16_t in uppercase hexadecimal form.
+ * 
+ * @etymology  `(pri)ntf` `%(X)` for `uint_(least16)_t`.
  */
 #define PRIXLEAST16  PRIX16
 
 /**
  * %-code, excluding the %, for printing an
  * uint_least32_t in uppercase hexadecimal form.
+ * 
+ * @etymology  `(pri)ntf` `%(X)` for `uint_(least32)_t`.
  */
 #define PRIXLEAST32  PRIX32
 
 /**
  * %-code, excluding the %, for printing an
  * uint_least64_t in uppercase hexadecimal form.
+ * 
+ * @etymology  `(pri)ntf` `%(X)` for `uint_(least64)_t`.
  */
 #define PRIXLEAST64  PRIX64
 
@@ -603,24 +743,32 @@ intmax_t (imaxabs)(intmax_t)
 /**
  * %-code, excluding the %, for printing an
  * uint_fast8_t in uppercase hexadecimal form.
+ * 
+ * @etymology  `(pri)ntf` `%(X)` for `uint_(fast8)_t`.
  */
 #define PRIXFAST8  __PRIFAST8 "X"
 
 /**
  * %-code, excluding the %, for printing an
  * uint_fast16_t in uppercase hexadecimal form.
+ * 
+ * @etymology  `(pri)ntf` `%(X)` for `uint_(fast16)_t`.
  */
 #define PRIXFAST16  __PRIFAST16 "X"
 
 /**
  * %-code, excluding the %, for printing an
  * uint_fast32_t in uppercase hexadecimal form.
+ * 
+ * @etymology  `(pri)ntf` `%(X)` for `uint_(fast32)_t`.
  */
 #define PRIXFAST32  __PRIFAST32 "X"
 
 /**
  * %-code, excluding the %, for printing an
  * uint_fast64_t in uppercase hexadecimal form.
+ * 
+ * @etymology  `(pri)ntf` `%(X)` for `uint_(fast64)_t`.
  */
 #define PRIXFAST64  __PRIFAST64 "X"
 
@@ -629,36 +777,48 @@ intmax_t (imaxabs)(intmax_t)
 /**
  * %-code, excluding the %, for printing an
  * intmax_t in decimal form.
+ * 
+ * @etymology  `(pri)ntf` `%(d)` for `int(max)_t`.
  */
 #define PRIdMAX __PRIMAX "d"
 
 /**
  * %-code, excluding the %, for printing an
  * intmax_t in decimal form.
+ * 
+ * @etymology  `(pri)ntf` `%(i)` for `int(max)_t`.
  */
 #define PRIiMAX __PRIMAX "i"
 
 /**
  * %-code, excluding the %, for printing an
  * uintmax_t in octal form.
+ * 
+ * @etymology  `(pri)ntf` `%(o)` for `uint(max)_t`.
  */
 #define PRIoMAX __PRIMAX "o"
 
 /**
  * %-code, excluding the %, for printing an
  * uintmax_t in decimal form.
+ * 
+ * @etymology  `(pri)ntf` `%(u)` for `uint(max)_t`.
  */
 #define PRIuMAX __PRIMAX "u"
 
 /**
  * %-code, excluding the %, for printing an
  * uintmax_t in lowercase hexadecimal form.
+ * 
+ * @etymology  `(pri)ntf` `%(x)` for `uint(max)_t`.
  */
 #define PRIxMAX __PRIMAX "x"
 
 /**
  * %-code, excluding the %, for printing an
  * uintmax_t in uppercase hexadecimal form.
+ * 
+ * @etymology  `(pri)ntf` `%(X)` for `uint(max)_t`.
  */
 #define PRIXMAX __PRIMAX "X"
 
@@ -668,6 +828,8 @@ intmax_t (imaxabs)(intmax_t)
  * %-code, excluding the %, for printing
  * an intptr_t, ptrdiff_t, or ssize_t
  * in decimal form.
+ * 
+ * @etymology  `(pri)ntf` `%(d)` for `int(ptr)_t` and alike.
  */
 #define PRIdPTR __PRIPTR "d"
 
@@ -675,6 +837,8 @@ intmax_t (imaxabs)(intmax_t)
  * %-code, excluding the %, for printing
  * an intptr_t, ptrdiff_t, or ssize_t
  * in decimal form.
+ * 
+ * @etymology  `(pri)ntf` `%(i)` for `int(ptr)_t` and alike.
  */
 #define PRIiPTR __PRIPTR "i"
 
@@ -682,6 +846,8 @@ intmax_t (imaxabs)(intmax_t)
  * %-code, excluding the %, for printing
  * an uintptr_t, uptrdiff_t, or size_t
  * in octal form.
+ * 
+ * @etymology  `(pri)ntf` `%(o)` for `uint(ptr)_t` and alike.
  */
 #define PRIoPTR __PRIPTR "o"
 
@@ -689,6 +855,8 @@ intmax_t (imaxabs)(intmax_t)
  * %-code, excluding the %, for printing
  * an uintptr_t, uptrdiff_t, or size_t
  * in decimal form.
+ * 
+ * @etymology  `(pri)ntf` `%(u)` for `uint(ptr)_t` and alike.
  */
 #define PRIuPTR __PRIPTR "u"
 
@@ -696,6 +864,8 @@ intmax_t (imaxabs)(intmax_t)
  * %-code, excluding the %, for printing
  * an uintptr_t, uptrdiff_t, or size_t
  * in lowercase hexadecimal form.
+ * 
+ * @etymology  `(pri)ntf` `%(x)` for `uint(ptr)_t` and alike.
  */
 #define PRIxPTR __PRIPTR "x"
 
@@ -703,6 +873,8 @@ intmax_t (imaxabs)(intmax_t)
  * %-code, excluding the %, for printing
  * an uintptr_t, uptrdiff_t, or size_t
  * in uppercase hexadecimal form.
+ * 
+ * @etymology  `(pri)ntf` `%(X)` for `uint(ptr)_t` and alike.
  */
 #define PRIXPTR __PRIPTR "X"
 
@@ -714,24 +886,32 @@ intmax_t (imaxabs)(intmax_t)
 /**
  * %-code, excluding the %, for scanning
  * an int8_t from decimal form.
+ * 
+ * @etymology  `(sc)a(n)f` `%(d)` for `int(8)_t`.
  */
 #define SCNd8  __SCN8 "d"
 
 /**
  * %-code, excluding the %, for scanning
  * an int16_t from decimal form.
+ * 
+ * @etymology  `(sc)a(n)f` `%(d)` for `int(16)_t`.
  */
 #define SCNd16  __SCN16 "d"
 
 /**
  * %-code, excluding the %, for scanning
  * an int32_t from decimal form.
+ * 
+ * @etymology  `(sc)a(n)f` `%(d)` for `int(32)_t`.
  */
 #define SCNd32  __SCN32 "d"
 
 /**
  * %-code, excluding the %, for scanning
  * an int64_t from decimal form.
+ * 
+ * @etymology  `(sc)a(n)f` `%(d)` for `int(64)_t`.
  */
 #define SCNd64  __SCN64 "d"
 
@@ -739,24 +919,32 @@ intmax_t (imaxabs)(intmax_t)
 /**
  * %-code, excluding the %, for scanning
  * an int_least8_t from decimal form.
+ * 
+ * @etymology  `(sc)a(n)f` `%(d)` for `int_(least8)_t`.
  */
 #define SCNdLEAST8  SCNd8
 
 /**
  * %-code, excluding the %, for scanning
  * an int_least16_t from decimal form.
+ * 
+ * @etymology  `(sc)a(n)f` `%(d)` for `int_(least16)_t`.
  */
 #define SCNdLEAST16  SCNd16
 
 /**
  * %-code, excluding the %, for scanning
  * an int_least32_t from decimal form.
+ * 
+ * @etymology  `(sc)a(n)f` `%(d)` for `int_(least32)_t`.
  */
 #define SCNdLEAST32  SCNd32
 
 /**
  * %-code, excluding the %, for scanning
  * an int_least64_t from decimal form.
+ * 
+ * @etymology  `(sc)a(n)f` `%(d)` for `int_(least64)_t`.
  */
 #define SCNdLEAST64  SCNd64
 
@@ -764,24 +952,32 @@ intmax_t (imaxabs)(intmax_t)
 /**
  * %-code, excluding the %, for scanning
  * an int_fast8_t from decimal form.
+ * 
+ * @etymology  `(sc)a(n)f` `%(d)` for `int_(fast8)_t`.
  */
 #define SCNdFAST8  __SCNFAST8 "d"
 
 /**
  * %-code, excluding the %, for scanning
  * an int_fast16_t from decimal form.
+ * 
+ * @etymology  `(sc)a(n)f` `%(d)` for `int_(fast16)_t`.
  */
 #define SCNdFAST16  __SCNFAST16 "d"
 
 /**
  * %-code, excluding the %, for scanning
  * an int_fast32_t from decimal form.
+ * 
+ * @etymology  `(sc)a(n)f` `%(d)` for `int_(fast32)_t`.
  */
 #define SCNdFAST32  __SCNFAST32 "d"
 
 /**
  * %-code, excluding the %, for scanning
  * an int_fast64_t from decimal form.
+ * 
+ * @etymology  `(sc)a(n)f` `%(d)` for `int_(fast64)_t`.
  */
 #define SCNdFAST64  __SCNFAST64 "d"
 
@@ -790,24 +986,32 @@ intmax_t (imaxabs)(intmax_t)
 /**
  * %-code, excluding the %, for scanning
  * an int8_t from decimal form.
+ * 
+ * @etymology  `(sc)a(n)f` `%(i)` for `int(8)_t`.
  */
 #define SCNi8  __SCN8 "i"
 
 /**
  * %-code, excluding the %, for scanning
  * an int16_t from decimal form.
+ * 
+ * @etymology  `(sc)a(n)f` `%(i)` for `int(16)_t`.
  */
 #define SCNi16  __SCN16 "i"
 
 /**
  * %-code, excluding the %, for scanning
  * an int32_t from decimal form.
+ * 
+ * @etymology  `(sc)a(n)f` `%(i)` for `int(32)_t`.
  */
 #define SCNi32  __SCN32 "i"
 
 /**
  * %-code, excluding the %, for scanning
  * an int64_t from decimal form.
+ * 
+ * @etymology  `(sc)a(n)f` `%(i)` for `int(64)_t`.
  */
 #define SCNi64  __SCN64 "i"
 
@@ -815,24 +1019,32 @@ intmax_t (imaxabs)(intmax_t)
 /**
  * %-code, excluding the %, for scanning
  * an int_least8_t from decimal form.
+ * 
+ * @etymology  `(sc)a(n)f` `%(i)` for `int_(least8)_t`.
  */
 #define SCNiLEAST8  SCNi8
 
 /**
  * %-code, excluding the %, for scanning
  * an int_least16_t from decimal form.
+ * 
+ * @etymology  `(sc)a(n)f` `%(i)` for `int_(least16)_t`.
  */
 #define SCNiLEAST16  SCNi16
 
 /**
  * %-code, excluding the %, for scanning
  * an int_least32_t from decimal form.
+ * 
+ * @etymology  `(sc)a(n)f` `%(i)` for `int_(least32)_t`.
  */
 #define SCNiLEAST32  SCNi32
 
 /**
  * %-code, excluding the %, for scanning
  * an int_least64_t from decimal form.
+ * 
+ * @etymology  `(sc)a(n)f` `%(i)` for `int_(least64)_t`.
  */
 #define SCNiLEAST64  SCNi64
 
@@ -840,24 +1052,32 @@ intmax_t (imaxabs)(intmax_t)
 /**
  * %-code, excluding the %, for scanning
  * an int_fast8_t from decimal form.
+ * 
+ * @etymology  `(sc)a(n)f` `%(i)` for `int_(fast8)_t`.
  */
 #define SCNiFAST8  __SCNFAST8 "i"
 
 /**
  * %-code, excluding the %, for scanning
  * an int_fast16_t from decimal form.
+ * 
+ * @etymology  `(sc)a(n)f` `%(i)` for `int_(fast16)_t`.
  */
 #define SCNiFAST16  __SCNFAST16 "i"
 
 /**
  * %-code, excluding the %, for scanning
  * an int_fast32_t from decimal form.
+ * 
+ * @etymology  `(sc)a(n)f` `%(i)` for `int_(fast32)_t`.
  */
 #define SCNiFAST32  __SCNFAST32 "i"
 
 /**
  * %-code, excluding the %, for scanning
  * an int_fast64_t from decimal form.
+ * 
+ * @etymology  `(sc)a(n)f` `%(i)` for `int_(fast64)_t`.
  */
 #define SCNiFAST64  __SCNFAST64 "i"
 
@@ -866,24 +1086,32 @@ intmax_t (imaxabs)(intmax_t)
 /**
  * %-code, excluding the %, for scanning
  * an uint8_t from octal form.
+ * 
+ * @etymology  `(sc)a(n)f` `%(o)` for `uint(8)_t`.
  */
 #define SCNo8  __SCN8 "o"
 
 /**
  * %-code, excluding the %, for scanning
  * an uint16_t from octal form.
+ * 
+ * @etymology  `(sc)a(n)f` `%(o)` for `uint(16)_t`.
  */
 #define SCNo16  __SCN16 "o"
 
 /**
  * %-code, excluding the %, for scanning
  * an uint32_t from octal form.
+ * 
+ * @etymology  `(sc)a(n)f` `%(o)` for `uint(32)_t`.
  */
 #define SCNo32  __SCN32 "o"
 
 /**
  * %-code, excluding the %, for scanning
  * an uint64_t from octal form.
+ * 
+ * @etymology  `(sc)a(n)f` `%(o)` for `uint(64)_t`.
  */
 #define SCNo64  __SCN64 "o"
 
@@ -891,24 +1119,32 @@ intmax_t (imaxabs)(intmax_t)
 /**
  * %-code, excluding the %, for scanning
  * an uint_least8_t from octal form.
+ * 
+ * @etymology  `(sc)a(n)f` `%(o)` for `uint_(least8)_t`.
  */
 #define SCNoLEAST8  SCNo8
 
 /**
  * %-code, excluding the %, for scanning
  * an uint_least16_t from octal form.
+ * 
+ * @etymology  `(sc)a(n)f` `%(o)` for `uint_(least16)_t`.
  */
 #define SCNoLEAST16  SCNo16
 
 /**
  * %-code, excluding the %, for scanning
  * an uint_least32_t from octal form.
+ * 
+ * @etymology  `(sc)a(n)f` `%(o)` for `uint_(least32)_t`.
  */
 #define SCNoLEAST32  SCNo32
 
 /**
  * %-code, excluding the %, for scanning
  * an uint_least64_t from octal form.
+ * 
+ * @etymology  `(sc)a(n)f` `%(o)` for `uint_(least64)_t`.
  */
 #define SCNoLEAST64  SCNo64
 
@@ -916,24 +1152,32 @@ intmax_t (imaxabs)(intmax_t)
 /**
  * %-code, excluding the %, for scanning
  * an uint_fast8_t from octal form.
+ * 
+ * @etymology  `(sc)a(n)f` `%(o)` for `uint_(fast8)_t`.
  */
 #define SCNoFAST8  __SCNFAST8 "o"
 
 /**
  * %-code, excluding the %, for scanning
  * an uint_fast16_t from octal form.
+ * 
+ * @etymology  `(sc)a(n)f` `%(o)` for `uint_(fast16)_t`.
  */
 #define SCNoFAST16  __SCNFAST16 "o"
 
 /**
  * %-code, excluding the %, for scanning
  * an uint_fast32_t from octal form.
+ * 
+ * @etymology  `(sc)a(n)f` `%(o)` for `uint_(fast32)_t`.
  */
 #define SCNoFAST32  __SCNFAST32 "o"
 
 /**
  * %-code, excluding the %, for scanning
  * an uint_fast64_t from octal form.
+ * 
+ * @etymology  `(sc)a(n)f` `%(o)` for `uint_(fast64)_t`.
  */
 #define SCNoFAST64  __SCNFAST64 "o"
 
@@ -942,24 +1186,32 @@ intmax_t (imaxabs)(intmax_t)
 /**
  * %-code, excluding the %, for scanning
  * an uint8_t from decimal form.
+ * 
+ * @etymology  `(sc)a(n)f` `%(u)` for `uint(8)_t`.
  */
 #define SCNu8  __SCN8 "u"
 
 /**
  * %-code, excluding the %, for scanning
  * an uint16_t from decimal form.
+ * 
+ * @etymology  `(sc)a(n)f` `%(u)` for `uint(16)_t`.
  */
 #define SCNu16  __SCN16 "u"
 
 /**
  * %-code, excluding the %, for scanning
  * an uint32_t from decimal form.
+ * 
+ * @etymology  `(sc)a(n)f` `%(u)` for `uint(32)_t`.
  */
 #define SCNu32  __SCN32 "u"
 
 /**
  * %-code, excluding the %, for scanning
  * an uint64_t from decimal form.
+ * 
+ * @etymology  `(sc)a(n)f` `%(u)` for `uint(64)_t`.
  */
 #define SCNu64  __SCN64 "u"
 
@@ -967,24 +1219,32 @@ intmax_t (imaxabs)(intmax_t)
 /**
  * %-code, excluding the %, for scanning
  * an uint_least8_t from decimal form.
+ * 
+ * @etymology  `(sc)a(n)f` `%(u)` for `uint_(least8)_t`.
  */
 #define SCNuLEAST8  SCNu8
 
 /**
  * %-code, excluding the %, for scanning
  * an uint_least16_t from decimal form.
+ * 
+ * @etymology  `(sc)a(n)f` `%(u)` for `uint_(least16)_t`.
  */
 #define SCNuLEAST16  SCNu16
 
 /**
  * %-code, excluding the %, for scanning
  * an uint_least32_t from decimal form.
+ * 
+ * @etymology  `(sc)a(n)f` `%(u)` for `uint_(least32)_t`.
  */
 #define SCNuLEAST32  SCNu32
 
 /**
  * %-code, excluding the %, for scanning
  * an uint_least64_t from decimal form.
+ * 
+ * @etymology  `(sc)a(n)f` `%(u)` for `uint_(least64)_t`.
  */
 #define SCNuLEAST64  SCNu64
 
@@ -992,24 +1252,32 @@ intmax_t (imaxabs)(intmax_t)
 /**
  * %-code, excluding the %, for scanning
  * an uint_fast8_t from decimal form.
+ * 
+ * @etymology  `(sc)a(n)f` `%(u)` for `uint_(fast8)_t`.
  */
 #define SCNuFAST8  __SCNFAST8 "u"
 
 /**
  * %-code, excluding the %, for scanning
  * an uint_fast16_t from decimal form.
+ * 
+ * @etymology  `(sc)a(n)f` `%(u)` for `uint_(fast16)_t`.
  */
 #define SCNuFAST16  __SCNFAST16 "u"
 
 /**
  * %-code, excluding the %, for scanning
  * an uint_fast32_t from decimal form.
+ * 
+ * @etymology  `(sc)a(n)f` `%(u)` for `uint_(fast32)_t`.
  */
 #define SCNuFAST32  __SCNFAST32 "u"
 
 /**
  * %-code, excluding the %, for scanning
  * an uint_fast64_t from decimal form.
+ * 
+ * @etymology  `(sc)a(n)f` `%(u)` for `uint_(fast64)_t`.
  */
 #define SCNuFAST64  __SCNFAST64 "u"
 
@@ -1018,24 +1286,32 @@ intmax_t (imaxabs)(intmax_t)
 /**
  * %-code, excluding the %, for scanning an
  * uint8_t from hexadecimal form.
+ * 
+ * @etymology  `(sc)a(n)f` `%(x)` for `uint(8)_t`.
  */
 #define SCNx8  __SCN8 "x"
 
 /**
  * %-code, excluding the %, for scanning an
  * uint16_t from hexadecimal form.
+ * 
+ * @etymology  `(sc)a(n)f` `%(x)` for `uint(16)_t`.
  */
 #define SCNx16  __SCN16 "x"
 
 /**
  * %-code, excluding the %, for scanning an
  * uint32_t from hexadecimal form.
+ * 
+ * @etymology  `(sc)a(n)f` `%(x)` for `uint(32)_t`.
  */
 #define SCNx32  __SCN32 "x"
 
 /**
  * %-code, excluding the %, for scanning an
  * uint64_t from hexadecimal form.
+ * 
+ * @etymology  `(sc)a(n)f` `%(x)` for `uint(64)_t`.
  */
 #define SCNx64  __SCN64 "x"
 
@@ -1043,24 +1319,32 @@ intmax_t (imaxabs)(intmax_t)
 /**
  * %-code, excluding the %, for scanning an
  * uint_least8_t from hexadecimal form.
+ * 
+ * @etymology  `(sc)a(n)f` `%(x)` for `uint_(least8)_t`.
  */
 #define SCNxLEAST8  SCNx8
 
 /**
  * %-code, excluding the %, for scanning an
  * uint_least16_t from hexadecimal form.
+ * 
+ * @etymology  `(sc)a(n)f` `%(x)` for `uint_(least16)_t`.
  */
 #define SCNxLEAST16  SCNx16
 
 /**
  * %-code, excluding the %, for scanning an
  * uint_least32_t from hexadecimal form.
+ * 
+ * @etymology  `(sc)a(n)f` `%(x)` for `uint_(least32)_t`.
  */
 #define SCNxLEAST32  SCNx32
 
 /**
  * %-code, excluding the %, for scanning an
  * uint_least64_t from hexadecimal form.
+ * 
+ * @etymology  `(sc)a(n)f` `%(x)` for `uint_(least64)_t`.
  */
 #define SCNxLEAST64  SCNx64
 
@@ -1068,24 +1352,32 @@ intmax_t (imaxabs)(intmax_t)
 /**
  * %-code, excluding the %, for scanning an
  * uint_fast8_t from hexadecimal form.
+ * 
+ * @etymology  `(sc)a(n)f` `%(x)` for `uint_(fast8)_t`.
  */
 #define SCNxFAST8  __SCNFAST8 "x"
 
 /**
  * %-code, excluding the %, for scanning an
  * uint_fast16_t from hexadecimal form.
+ * 
+ * @etymology  `(sc)a(n)f` `%(x)` for `uint_(fast16)_t`.
  */
 #define SCNxFAST16  __SCNFAST16 "x"
 
 /**
  * %-code, excluding the %, for scanning an
  * uint_fast32_t from hexadecimal form.
+ * 
+ * @etymology  `(sc)a(n)f` `%(x)` for `uint_(fast32)_t`.
  */
 #define SCNxFAST32  __SCNFAST32 "x"
 
 /**
  * %-code, excluding the %, for scanning an
  * uint_fast64_t from hexadecimal form.
+ * 
+ * @etymology  `(sc)a(n)f` `%(x)` for `uint_(fast64)_t`.
  */
 #define SCNxFAST64  __SCNFAST64 "x"
 
@@ -1094,30 +1386,40 @@ intmax_t (imaxabs)(intmax_t)
 /**
  * %-code, excluding the %, for scanning an
  * intmax_t from decimal form.
+ * 
+ * @etymology  `(sc)a(n)f` `%(d)` for `int(max)_t`.
  */
 #define SCNdMAX __SCNMAX "d"
 
 /**
  * %-code, excluding the %, for scanning an
  * intmax_t from decimal form.
+ * 
+ * @etymology  `(sc)a(n)f` `%(i)` for `int(max)_t`.
  */
 #define SCNiMAX __SCNMAX "i"
 
 /**
  * %-code, excluding the %, for scanning an
  * uintmax_t from octal form.
+ * 
+ * @etymology  `(sc)a(n)f` `%(o)` for `uint(max)_t`.
  */
 #define SCNoMAX __SCNMAX "o"
 
 /**
  * %-code, excluding the %, for scanning an
  * uintmax_t from decimal form.
+ * 
+ * @etymology  `(sc)a(n)f` `%(u)` for `uint(max)_t`.
  */
 #define SCNuMAX __SCNMAX "u"
 
 /**
  * %-code, excluding the %, for scanning an
  * uintmax_t from hexadecimal form.
+ * 
+ * @etymology  `(sc)a(n)f` `%(x)` for `uint(max)_t`.
  */
 #define SCNxMAX __SCNMAX "x"
 
@@ -1127,6 +1429,8 @@ intmax_t (imaxabs)(intmax_t)
  * %-code, excluding the %, for scanning
  * an intptr_t, ptrdiff_t, or ssize_t
  * from decimal form.
+ * 
+ * @etymology  `(sc)a(n)f` `%(d)` for `int(ptr)_t` and alike.
  */
 #define SCNdPTR __SCNPTR "d"
 
@@ -1134,6 +1438,8 @@ intmax_t (imaxabs)(intmax_t)
  * %-code, excluding the %, for scanning
  * an intptr_t, ptrdiff_t, or ssize_t
  * from decimal form.
+ * 
+ * @etymology  `(sc)a(n)f` `%(i)` for `int(ptr)_t` and alike.
  */
 #define SCNiPTR __SCNPTR "i"
 
@@ -1141,6 +1447,8 @@ intmax_t (imaxabs)(intmax_t)
  * %-code, excluding the %, for scanning
  * an uintptr_t, uptrdiff_t, or size_t
  * from octal form.
+ * 
+ * @etymology  `(sc)a(n)f` `%(o)` for `uint(ptr)_t` and alike.
  */
 #define SCNoPTR __SCNPTR "o"
 
@@ -1148,6 +1456,8 @@ intmax_t (imaxabs)(intmax_t)
  * %-code, excluding the %, for scanning
  * an uintptr_t, uptrdiff_t, or size_t
  * from decimal form.
+ * 
+ * @etymology  `(sc)a(n)f` `%(u)` for `uint(ptr)_t` and alike.
  */
 #define SCNuPTR __SCNPTR "u"
 
@@ -1155,6 +1465,8 @@ intmax_t (imaxabs)(intmax_t)
  * %-code, excluding the %, for scanning
  * an uintptr_t, uptrdiff_t, or size_t
  * from hexadecimal form.
+ * 
+ * @etymology  `(sc)a(n)f` `%(x)` for `uint(ptr)_t` and alike.
  */
 #define SCNxPTR __SCNPTR "x"
 
diff --git a/include/libgen.h b/include/libgen.h
index 182f192..8f6b884 100644
--- a/include/libgen.h
+++ b/include/libgen.h
@@ -32,6 +32,8 @@
  * Get the basename of a filename, remove
  * trailing slashes.
  * 
+ * @etymology  File's (basename).
+ * 
  * @param   filename  The filename, may be edited by this function.
  * @return            The basename, it is either a substring
  *                    of `filename` or, if `filename` is `NULL`
@@ -45,6 +47,8 @@ char* __xpg_basename(char*)
 /**
  * Get the dirname of a filename.
  * 
+ * @etymology  Parent (dir)ectory's path(name).
+ * 
  * @param   filename  The filename, may be edited by this function.
  * @return            The dirname, it is either a substring
  *                    of `filename` or, if `filename` is `NULL`
@@ -71,6 +75,8 @@ char* dirname(char*)
  * 
  * This is a slibc extension.
  * 
+ * @etymology  (Clean) path(name).
+ * 
  * @param   filename  The filename, may be edited by this function.
  * @return            The dirname, it is either `filename` or,
  *                    if `filename` is `NULL` or does no contain a