ATOI(3)                 NetBSD 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, 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. NetBSD 9.0 June 13, 2018 NetBSD 9.0

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