Query: atol
OS: freebsd
Section: 3
Format: Original Unix Latex Style Formatted with HTML and a Horizontal Scroll Bar
ATOL(3) BSD Library Functions Manual ATOL(3)NAMEatol, atoll -- convert ASCII string to long or long long integerLIBRARYStandard C Library (libc, -lc)SYNOPSIS#include <stdlib.h> long atol(const char *nptr); long long atoll(const char *nptr);DESCRIPTIONThe atol() function converts the initial portion of the string pointed to by nptr to long integer representation. It is equivalent to: strtol(nptr, (char **)NULL, 10); The atoll() function converts the initial portion of the string pointed to by nptr to long long integer representation. It is equivalent to: strtoll(nptr, (char **)NULL, 10);COMPATIBILITYThe FreeBSD implementations of the atol() and atoll() functions are thin wrappers around strtol() and strtoll() respectively, so these func- tions will affect the value of errno in the same way that the strtol() and strtoll() functions are able to. This behavior of atol() and atoll() is not required by ISO/IEC 9899:1990 (``ISO C90'') or ISO/IEC 9899:1999 (``ISO C99''), but it is allowed by all of ISO/IEC 9899:1990 (``ISO C90''), ISO/IEC 9899:1999 (``ISO C99'') and IEEE Std 1003.1-2001 (``POSIX.1'').ERRORSThe functions atol() and atoll() may affect the value of errno on an error.SEE ALSOatof(3), atoi(3), strtod(3), strtol(3), strtoul(3)STANDARDSThe atol() function conforms to ISO/IEC 9899:1990 (``ISO C90''). The atoll() function conforms to ISO/IEC 9899:1999 (``ISO C99'').BSDMay 14, 2013 BSD
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