x SuSE Linux 13.1-RELEASE x
x SuSE Linux 13.1-RELEASEx
STRING(3) Linux Programmer's Manual STRING(3)
NAME
stpcpy, strcasecmp, strcat, strchr, strcmp, strcoll, strcpy, strcspn,
strdup, strfry, strlen, strncat, strncmp, strncpy, strncasecmp, strp-
brk, strrchr, strsep, strspn, strstr, strtok, strxfrm, index, rindex -
string operations
SYNOPSIS
#include <strings.h>
int strcasecmp(const char *s1, const char *s2);
Compare the strings s1 and s2 ignoring case.
int strncasecmp(const char *s1, const char *s2, size_t n);
Compare the first n characters of the strings s1 and s2 ignoring
case.
char *index(const char *s, int c);
Return a pointer to the first occurrence of the character c in
the string s.
char *rindex(const char *s, int c);
Return a pointer to the last occurrence of the character c in
the string s.
#include <string.h>
char *stpcpy(char *dest, const char *src);
Copy a string from src to dest, returning a pointer to the end
of the resulting string at dest.
char *strcat(char *dest, const char *src);
Append the string src to the string dest, returning a pointer
dest.
char *strchr(const char *s, int c);
Return a pointer to the first occurrence of the character c in
the string s.
int strcmp(const char *s1, const char *s2);
Compare the strings s1 with s2.
int strcoll(const char *s1, const char *s2);
Compare the strings s1 with s2 using the current locale.
char *strcpy(char *dest, const char *src);
Copy the string src to dest, returning a pointer to the start of
dest.
size_t strcspn(const char *s, const char *reject);
Calculate the length of the initial segment of the string s
which does not contain any of bytes in the string reject,
char *strdup(const char *s);
Return a duplicate of the string s in memory allocated using
malloc(3).
char *strfry(char *string);
Randomly swap the characters in string.
size_t strlen(const char *s);
Return the length of the string s.
char *strncat(char *dest, const char *src, size_t n);
Append at most n characters from the string src to the string
dest, returning a pointer to dest.
int strncmp(const char *s1, const char *s2, size_t n);
Compare at most n bytes of the strings s1 and s2.
char *strncpy(char *dest, const char *src, size_t n);
Copy at most n bytes from string src to dest, returning a
pointer to the start of dest.
char *strpbrk(const char *s, const char *accept);
Return a pointer to the first occurrence in the string s of one
of the bytes in the string accept.
char *strrchr(const char *s, int c);
Return a pointer to the last occurrence of the character c in
the string s.
char *strsep(char **stringp, const char *delim);
Extract the initial token in stringp that is delimited by one of
the bytes in delim.
size_t strspn(const char *s, const char *accept);
Calculate the length of the starting segment in the string s
that consists entirely of bytes in accept.
char *strstr(const char *haystack, const char *needle);
Find the first occurrence of the substring needle in the string
haystack, returning a pointer to the found substring.
char *strtok(char *s, const char *delim);
Extract tokens from the string s that are delimited by one of
the bytes in delim.
size_t strxfrm(char *dest, const char *src, size_t n);
Transforms src to the current locale and copies the first n
characters to dest.
DESCRIPTION
The string functions perform string operations on null-terminated
strings. See the individual man pages for descriptions of each func-
tion.
SEE ALSO
index(3), rindex(3), stpcpy(3), strcasecmp(3), strcat(3), strchr(3),
strcmp(3), strcoll(3), strcpy(3), strcspn(3), strdup(3), strfry(3),
strlen(3), strncasecmp(3), strncat(3), strncmp(3), strncpy(3), strp-
brk(3), strrchr(3), strsep(3), strspn(3), strstr(3), strtok(3),
strxfrm(3)
COLOPHON
This page is part of release 3.69 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
http://www.kernel.org/doc/man-pages/.
2014-01-04 STRING(3)
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