gcvt

Sommaire

NAME

gcvt - convert a floating-point number to a string

SYNOPSIS


#include <stdlib.h>



char *gcvt(double number, size_t ndigit, char *buf);

Feature Test Macro Requirements for glibc (see feature_test_macros(7)):

gcvt(): _SVID_SOURCE || _XOPEN_SOURCE >= 500

DESCRIPTION

The gcvt() function converts number to a minimal length NULL terminated ASCII string and stores the result in buf. It produces ndigit significant digits in either printf(3) F format or E format.

RETURN VALUE

The gcvt() function returns the address of the string pointed to by buf.

CONFORMING TO

marked as LEGACY in POSIX.1-2001.

NOTES

This function is obsolete. Instead, sprintf(3) is recommended.

SEE ALSO

ecvt(3), fcvt(3), sprintf(3)