3.22 atol

Function

Convert a string to a long integer.

Header

stdlib.h

Declaration

long __fastcall__ atol (const char* s);

Description

atol converts the given string into a long integer. Conversion stops as soon as any invalid character is encountered.

Limits

• There is no way to detect any conversion errors.
• The function does not check for an numerical overflow when converting.
• The function is only available as fastcall function, so it may only be used in presence of a prototype.

Availability

ISO 9899

See also

atoi, itoa, ltoa, ultoa, utoa

Example

None.