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strchrnul (3)
  • >> strchrnul (3) ( Linux man: Библиотечные вызовы )
  •  

    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
    #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 multi-byte characters.  

    RETURN VALUE

    The strchr() and strrchr() functions return a pointer to the matched character or NULL if the character is not found.

    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.  

    CONFORMING TO

    strchr() and strrchr() are in SVr4, 4.3BSD, C89, C99. strchrnul() is a GNU extension.  

    SEE ALSO

    index(3), memchr(3), rindex(3), strlen(3), strpbrk(3), strsep(3), strspn(3), strstr(3), strtok(3), wcschr(3), wcsrchr(3), feature_test_macros(7)  

    COLOPHON

    This page is part of release 3.14 of the Linux man-pages project. A description of the project, and information about reporting bugs, can be found at http://www.kernel.org/doc/man-pages/.


     

    Index

    NAME
    SYNOPSIS
    DESCRIPTION
    RETURN VALUE
    VERSIONS
    CONFORMING TO
    SEE ALSO
    COLOPHON


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