gcvt(3) -- Linux man page

 

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 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.  

SEE ALSO

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