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Diffstat (limited to 'upstream/opensuse-leap-15-6/man3/strchr.3')
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diff --git a/upstream/opensuse-leap-15-6/man3/strchr.3 b/upstream/opensuse-leap-15-6/man3/strchr.3 new file mode 100644 index 00000000..28fae4ef --- /dev/null +++ b/upstream/opensuse-leap-15-6/man3/strchr.3 @@ -0,0 +1,132 @@ +'\" t +.\" Copyright 1993 David Metcalfe (david@prism.demon.co.uk) +.\" +.\" SPDX-License-Identifier: Linux-man-pages-copyleft +.\" +.\" References consulted: +.\" Linux libc source code +.\" Lewine's _POSIX Programmer's Guide_ (O'Reilly & Associates, 1991) +.\" 386BSD man pages +.\" Modified Mon Apr 12 12:51:24 1993, David Metcalfe +.\" 2006-05-19, Justin Pryzby <pryzbyj@justinpryzby.com> +.\" Document strchrnul(3). +.\" +.TH strchr 3 2023-03-30 "Linux man-pages 6.04" +.SH NAME +strchr, strrchr, strchrnul \- locate character in string +.SH LIBRARY +Standard C library +.RI ( libc ", " \-lc ) +.SH SYNOPSIS +.nf +.B #include <string.h> +.PP +.BI "char *strchr(const char *" s ", int " c ); +.BI "char *strrchr(const char *" s ", int " c ); +.PP +.BR "#define _GNU_SOURCE" " /* See feature_test_macros(7) */" +.B #include <string.h> +.PP +.BI "char *strchrnul(const char *" s ", int " c ); +.fi +.SH DESCRIPTION +The +.BR strchr () +function returns a pointer to the first occurrence +of the character +.I c +in the string +.IR s . +.PP +The +.BR strrchr () +function returns a pointer to the last occurrence +of the character +.I c +in the string +.IR s . +.PP +The +.BR strchrnul () +function is like +.BR strchr () +except that if +.I c +is not found in +.IR s , +then it returns a pointer to the null byte +at the end of +.IR s , +rather than NULL. +.PP +Here "character" means "byte"; these functions do not work with +wide or multibyte characters. +.SH RETURN VALUE +The +.BR strchr () +and +.BR strrchr () +functions return a pointer to +the matched character or NULL if the character is not found. +The terminating null byte is considered part of the string, +so that if +.I c +is specified as \[aq]\e0\[aq], +these functions return a pointer to the terminator. +.PP +The +.BR strchrnul () +function returns a pointer to the matched character, +or a pointer to the null byte at the end of +.I s +(i.e., +.IR "s+strlen(s)" ) +if the character is not found. +.SH ATTRIBUTES +For an explanation of the terms used in this section, see +.BR attributes (7). +.ad l +.nh +.TS +allbox; +lbx lb lb +l l l. +Interface Attribute Value +T{ +.BR strchr (), +.BR strrchr (), +.BR strchrnul () +T} Thread safety MT-Safe +.TE +.hy +.ad +.sp 1 +.SH STANDARDS +.TP +.BR strchr () +.TQ +.BR strrchr () +C11, POSIX.1-2008. +.TP +.BR strchrnul () +GNU. +.SH HISTORY +.TP +.BR strchr () +.TQ +.BR strrchr () +POSIX.1-2001, C89, SVr4, 4.3BSD. +.TP +.BR strchrnul () +glibc 2.1.1. +.SH SEE ALSO +.BR memchr (3), +.BR string (3), +.BR strlen (3), +.BR strpbrk (3), +.BR strsep (3), +.BR strspn (3), +.BR strstr (3), +.BR strtok (3), +.BR wcschr (3), +.BR wcsrchr (3) |