atoi man page on NetBSD

atoi man page on NetBSD

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ATOI(3)			 BSD Library Functions Manual		       ATOI(3)

NAME
     atoi — convert ASCII string to integer

LIBRARY
     Standard C Library (libc, -lc)

SYNOPSIS
     #include <stdlib.h>

     int
     atoi(const char *nptr);

DESCRIPTION
     The atoi() function converts the initial portion of the string pointed to
     by nptr to integer representation.

     It is equivalent to:

	   (int)strtol(nptr, (char **)NULL, 10);

SEE ALSO
     atof(3), atol(3), strtod(3), strtol(3), strtoul(3)

STANDARDS
     The atoi() function conforms to ANSI X3.159-1989 (“ANSI C89”).

CAVEATS
     atoi does no overflow checking, handles unsigned numbers poorly, and han‐
     dles strings containing trailing extra characters (like “123abc”) poorly.
     Careful use of strtol(3) and strtoul(3) can alleviate these problems.

BSD				 June 4, 1993				   BSD

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