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