# 2.11BSD#431 - /usr/man/cat3/atol.0

    ATOF(3)             UNIX Programmer's 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 respec-
         tively.  The first unrecognized 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.

    Printed 11/26/99	  May 15, 1985				1

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