.\" Copyright (c) 1990 The Regents of the University of California.
.\" %sccs.include.redist.man%
.\" @(#)atoi.3 5.1 (Berkeley) %G%
atoi \- convert ASCII string to integer
function converts the initial portion of the string pointed to by
(int)strtol(nptr, (char **)NULL, 10);
atof(3), atol(3), strtod(3), strtol(3), strtoul(3)
conforms to ANSI X3.159-1989 (``ANSI C'').