strrchr(3) [xfree86 man page]
STRCHR(3) Linux Programmer's Manual STRCHR(3) NAME
strchr, strrchr, strchrnul - locate character in string SYNOPSIS
#include <string.h> char *strchr(const char *s, int c); char *strrchr(const char *s, int c); #define _GNU_SOURCE /* See feature_test_macros(7) */ #include <string.h> char *strchrnul(const char *s, int c); DESCRIPTION
The strchr() function returns a pointer to the first occurrence of the character c in the string s. The strrchr() function returns a pointer to the last occurrence of the character c in the string s. The strchrnul() function is like strchr() except that if c is not found in s, then it returns a pointer to the null byte at the end of s, rather than NULL. Here "character" means "byte"; these functions do not work with wide or multibyte characters. RETURN VALUE
The strchr() and 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 c is specified as ' ', these functions return a pointer to the terminator. The strchrnul() function returns a pointer to the matched character, or a pointer to the null byte at the end of s (i.e., s+strlen(s)) if the character is not found. VERSIONS
strchrnul() first appeared in glibc in version 2.1.1. ATTRIBUTES
For an explanation of the terms used in this section, see attributes(7). +---------------------------------+---------------+---------+ |Interface | Attribute | Value | +---------------------------------+---------------+---------+ |strchr(), strrchr(), strchrnul() | Thread safety | MT-Safe | +---------------------------------+---------------+---------+ CONFORMING TO
strchr(), strrchr(): POSIX.1-2001, POSIX.1-2008, C89, C99, SVr4, 4.3BSD. strchrnul() is a GNU extension. SEE ALSO
index(3), memchr(3), rindex(3), string(3), strlen(3), strpbrk(3), strsep(3), strspn(3), strstr(3), strtok(3), wcschr(3), wcsrchr(3) COLOPHON
This page is part of release 4.15 of the Linux man-pages project. A description of the project, information about reporting bugs, and the latest version of this page, can be found at https://www.kernel.org/doc/man-pages/. GNU
2017-09-15 STRCHR(3)
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STRCHR(3) Linux Programmer's Manual STRCHR(3) NAME
strchr, strrchr, strchrnul - locate character in string SYNOPSIS
#include <string.h> char *strchr(const char *s, int c); char *strrchr(const char *s, int c); #define _GNU_SOURCE /* See feature_test_macros(7) */ #include <string.h> char *strchrnul(const char *s, int c); DESCRIPTION
The strchr() function returns a pointer to the first occurrence of the character c in the string s. The strrchr() function returns a pointer to the last occurrence of the character c in the string s. The strchrnul() function is like strchr() except that if c is not found in s, then it returns a pointer to the null byte at the end of s, rather than NULL. Here "character" means "byte"; these functions do not work with wide or multibyte characters. RETURN VALUE
The strchr() and 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 c is specified as ' ', these functions return a pointer to the terminator. The strchrnul() function returns a pointer to the matched character, or a pointer to the null byte at the end of s (i.e., s+strlen(s)) if the character is not found. VERSIONS
strchrnul() first appeared in glibc in version 2.1.1. ATTRIBUTES
For an explanation of the terms used in this section, see attributes(7). +---------------------------------+---------------+---------+ |Interface | Attribute | Value | +---------------------------------+---------------+---------+ |strchr(), strrchr(), strchrnul() | Thread safety | MT-Safe | +---------------------------------+---------------+---------+ CONFORMING TO
strchr(), strrchr(): POSIX.1-2001, POSIX.1-2008, C89, C99, SVr4, 4.3BSD. strchrnul() is a GNU extension. SEE ALSO
index(3), memchr(3), rindex(3), string(3), strlen(3), strpbrk(3), strsep(3), strspn(3), strstr(3), strtok(3), wcschr(3), wcsrchr(3) COLOPHON
This page is part of release 4.15 of the Linux man-pages project. A description of the project, information about reporting bugs, and the latest version of this page, can be found at https://www.kernel.org/doc/man-pages/. GNU
2017-09-15 STRCHR(3)