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man:strrchr

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
     '\0', 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).
     allbox; lbw32 lb lb l l l.  Interface Attribute Value T{ strchr(), str-
     rchr(), strchrnul() T}   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 4.16 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)

/data/webs/external/dokuwiki/data/pages/man/strrchr.txt · Last modified: 2019/05/17 09:47 by 127.0.0.1

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