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RedHat 9 (Linux i386) - man page for gcvt (redhat section 3)

GCVT(3) 						     Linux Programmer's Manual							   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);
DESCRIPTION
The gcvt() function converts number to a minimal length NULL terminated ASCII string and stores the result in buf. It produces ndigit sig- nificant 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.
SEE ALSO
ecvt(3), fcvt(3), sprintf(3) 1993-03-29 GCVT(3)