NAME
atoi - convert ASCII to integer
SYNOPSIS
atoi(nptr)
char *nptr;
DESCRIPTION
Atoi converts the string pointed to by nptr to an integer.
The string can contain leading blanks or tabs, an optional
`-', and then an unbroken string of digits. Conversion
stops at the first non-digit.
SEE ALSO
atof (III)
BUGS
There is no provision for overflow.
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