字符串转换为长整型 strtol

strtol, wcstol

Convert strings to a long-integer value.

Routine	Required Header
strtol	<stdlib.h>
wcstol	<stdlib.h>

 

long strtol( const char *nptr, char **endptr, int base );
long wcstol( const wchar_t *nptr, wchar_t **endptr, int base );

Parameters

nptr

Null-terminated string to convert

endptr

Pointer to character that stops scan

base

Number base to use