atoi64
Syntax
int64 _atoi64(char s[]);
Function
Converts the stringsto a 64bit integer. The number base is decimal.
Parameters
s String to be converted.
Return Values
The converted number. The return value is 0 if the string can’t be converted to a number. It is the largest positive/negative number in case of overflow.
int64 i;i = _atoi64("12345678901")
strtoll | strtoull