convert a string to long integer representation
#include <stdlib.h> long int atol( const char *ptr );
The atol() function converts the string pointed to by ptr to long int representation.
The converted value.
#include <stdlib.h> void main() { long int x; x = atol( "-289" ); }
ANSI
Safety: | |
---|---|
Interrupt handler | Yes |
Signal handler | Yes |
Thread | Yes |
atoi(), itoa(), ltoa(), sscanf(), strtol(), strtoul(), ultoa(), utoa()