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authorMattias Andrée <maandree@kth.se>2018-10-21 11:51:38 +0200
committerMattias Andrée <maandree@kth.se>2018-10-21 11:51:38 +0200
commit160eaaddcfed8075abd06624835a2d49548eb5de (patch)
tree6883e07688ad43520b7407d2728f41d0cf9c68a9 /man/libsimple_strcasechr.3
parentAdd man pages for more str-functions (diff)
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Add strcasechr and strcasechrnul
Signed-off-by: Mattias Andrée <maandree@kth.se>
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+.TH LIBSIMPLE_STRCASECHR 3 2018-10-21 libsimple
+.SH NAME
+libsimple_strcasechr \- find a character in a string
+.SH SYNOPSIS
+.nf
+#include <libsimple.h>
+
+char *libsimple_strcasechr(const char *\fIs\fP, int \fIc\fP);
+
+#ifndef strcasechr
+# define strcasechr libsimple_strcasechr
+#endif
+.fi
+
+Link with
+.IR \-lsimple .
+.SH DESCRIPTION
+The
+.BR libsimple_strcasechr ()
+function scans the string
+.I s
+for the first occurence of the character
+.I c
+(it is converted to a
+.BR char ).
+If no such character exist in the string,
+the string's end is returned.
+.PP
+The comparison is case-insensitive.
+.SH RETURN VALUE
+The
+.BR libsimple_strcasechr ()
+function returns the pointer
+.I s
+with a minimal offset such that
+.IR tolower(*r)==tolower(c) ,
+where
+.I r
+is the returned pointer, if no such
+offset exists, it returns
+.IR NULL .
+.SH ERRORS
+The
+.BR libsimple_strcasechr ()
+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_strcasechr ()
+T} Thread safety MT-Safe
+T{
+.BR libsimple_strcasechr ()
+T} Async-signal safety AS-Safe
+T{
+.BR libsimple_strcasechr ()
+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_strcasechrnul (3),
+.BR strchr (3)