GCVT(3)

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This function is obsolete.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)