In the C Programming Language, the atol function converts a string to a long integer.
The atol function skips all white-space characters at the establishing of the string, converts the subsequent characters as section of the number, and then stops when it encounters the first character that isn’t always a number.
Syntax
The syntax for the atol function in the C Language is:
long int atol(const char *nptr);Parameters or Arguments
nptr A pointer to a string to convert to a lengthy integer.
Returns
The atol characteristic returns the long integer representation of a string. The atol function skips all white-space characters at the commencing of the string, converts the subsequent characters as part of the number, and then stops when it encounters the first personality that isn’t a number.
Required Header
In the C Language, the required header for the atol function is:
#include <stdlib.h>Applies To
In the C Language, the atol feature can be used in the following versions:
ANSI/ISO 9899-1990
Similar Functions
Other C features that are similar to the atol function:
atof characteristic atoi characteristic strtol characteristic strtoul characteristic
See Also
Other C functions that are noteworthy when dealing with the atol function:
strtod function <stdlib.h>