STRSTR(3)               NetBSD Library Functions Manual              STRSTR(3)


NAME
strstr, strcasestr -- locate a substring in a string
LIBRARY
Standard C Library (libc, -lc)
SYNOPSIS
#include <string.h> char * strstr(const char *big, const char *little); char * strcasestr(const char *big, const char *little);
DESCRIPTION
The strstr() function locates the first occurrence of the nul-terminated string little in the nul-terminated string big. The strcasestr() function is similar to strstr(), but ignores the case of both strings.
RETURN VALUES
If little is an empty string, big is returned; if little occurs nowhere in big, NULL is returned; otherwise a pointer to the first character of the first occurrence of little is returned.
EXAMPLES
The following sets the pointer ptr to the "Bar Baz" portion of largestring: const char *largestring = "Foo Bar Baz"; const char *smallstring = "Bar"; char *ptr; ptr = strstr(largestring, smallstring);
SEE ALSO
index(3), memchr(3), rindex(3), strchr(3), strcspn(3), strpbrk(3), strrchr(3), strsep(3), strspn(3), strtok(3)
STANDARDS
The strstr() function conforms to ISO/IEC 9899:1990 (``ISO C90''). NetBSD 5.0 July 3, 2004 NetBSD 5.0

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