bsd man page for atol

Query: atol

OS: bsd

Section: 3

Format: Original Unix Latex Style Formatted with HTML and a Horizontal Scroll Bar

ATOF(3) 						     Library Functions Manual							   ATOF(3)

NAME
atof, atoi, atol - convert ASCII to numbers
SYNOPSIS
double atof(nptr) char *nptr; atoi(nptr) char *nptr; long atol(nptr) char *nptr;
DESCRIPTION
These functions convert a string pointed to by nptr to floating, integer, and long integer representation respectively. The first unrecog- nized character ends the string. Atof recognizes an optional string of spaces, then an optional sign, then a string of digits optionally containing a decimal point, then an optional `e' or `E' followed by an optionally signed integer. Atoi and atol recognize an optional string of spaces, then an optional sign, then a string of digits.
SEE ALSO
scanf(3S)
BUGS
There are no provisions for overflow. 7th Edition May 15, 1985 ATOF(3)
Related Man Pages
atol(3) - redhat
atof(2) - plan9
atof(3) - ultrix
atoi(3) - ultrix
strtod(3) - ultrix
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Interesting implementation: atol, atof etc