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authorMattias Andrée <maandree@kth.se>2018-11-07 22:18:04 +0100
committerMattias Andrée <maandree@kth.se>2018-11-07 22:18:04 +0100
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parentAdd arrayalloc man page (diff)
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Move section 3 man pages to man3/ and add libsimple.h.0
Signed-off-by: Mattias Andrée <maandree@kth.se>
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-.TH LIBSIMPLE_GETENV_E 3 2018-10-20 libsimple
-.SH NAME
-libsimple_getenv_e \- get value of an environment variable or the empty string
-.SH SYNOPSIS
-.nf
-#include <libsimple.h>
-
-static inline const char *libsimple_getenv_e(const char *\fIname\fP);
-
-#ifndef getenv_e
-# define getenv_e libsimple_getenv_e
-#endif
-.fi
-.PP
-Link with
-.IR \-lsimple .
-.SH DESCRIPTION
-The
-.BR libsimple_getenv_e ()
-function searches the environment of the calling
-process for the environment variable
-.IR name .
-If it exists, its value is returned. If it does
-not exist, the empty string is returned.
-.PP
-Modifications to the environment variable made from
-within the process, its parent, or other ancestor,
-that have not be come visible to other process via
-replacement of the process image, are visible to the
-.BR libsimple_getenv_e ()
-function.
-.SH RETURN VALUE
-If the environment variable
-.I name
-is defined, its value is returned, otherwise the
-empty string is returned.
-.SH ERRORS
-The
-.BR libsimple_getenv_e ()
-function cannot fail.
-.SH ATTRIBUTES
-For an explanation of the terms used in this section, see
-.BR attributes (7).
-.TS
-allbox;
-lb lb lb
-l l l.
-Interface Attribute Value
-T{
-.BR libsimple_getenv_e ()
-T} Thread safety MT-Safe env
-T{
-.BR libsimple_getenv_e ()
-T} Async-signal safety AS-Safe
-T{
-.BR libsimple_getenv_e ()
-T} Async-cancel safety AC-Safe
-.TE
-.SH EXAMPLES
-None.
-.SH APPLICATION USAGE
-None.
-.SH RATIONALE
-None.
-.SH FUTURE DIRECTIONS
-None.
-.SH NOTES
-None.
-.SH BUGS
-None.
-.SH SEE ALSO
-.BR libsimple_getenv_ne (3),
-.BR getenv (3)