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Warning: main() [function.include]: Failed opening '/www/www/htdocs/style/globals.php' for inclusion (include_path='.:/www/www/common:/www/www/php/lib/php') in /www/www/docs/6.4.1/neutrino/lib_ref/s/strstr.html on line 1
Warning: main(/www/www/htdocs/style/header.php) [function.main]: failed to open stream: No such file or directory in /www/www/docs/6.4.1/neutrino/lib_ref/s/strstr.html on line 8
Warning: main() [function.include]: Failed opening '/www/www/htdocs/style/header.php' for inclusion (include_path='.:/www/www/common:/www/www/php/lib/php') in /www/www/docs/6.4.1/neutrino/lib_ref/s/strstr.html on line 8
Find one string inside another
#include <string.h>
char* strstr(char* str,
char* substr );
- str
- The string that you want to search.
- substr
- The string that you're looking for.
libc
Use the -l c option to
qcc
to link against this library.
This library is usually included automatically.
The strstr() function locates
the first occurrence in the string pointed to by str of the sequence
of characters (excluding the terminating null character) in the string pointed
to by substr.
A pointer to the located string, or NULL if the string isn't
found.
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
int main( void )
{
printf( "%s\n", strstr("This is an example", "is") );
return EXIT_SUCCESS;
}
produces the output:
is is an example
ANSI,
POSIX 1003.1
Safety: | |
Cancellation point |
No |
Interrupt handler |
Yes |
Signal handler |
Yes |
Thread |
Yes |
memchr(),
strchr(),
strcspn(),
strpbrk(),
strrchr(),
strspn(),
strtok(),
strtok_r(),
wcschr(),
wcscspn(),
wcspbrk(),
wcsrchr(),
wcsspn(),
wcsstr(),
wcstok()
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Warning: main() [function.include]: Failed opening '/www/www/htdocs/style/footer.php' for inclusion (include_path='.:/www/www/common:/www/www/php/lib/php') in /www/www/docs/6.4.1/neutrino/lib_ref/s/strstr.html on line 148