Originální popis anglicky:
gcvt - convert a floating-point number to a string
Návod, kniha: Linux Programmer's Manual
#include <stdlib.h>
char *gcvt(double number, size_t ndigit, char *buf);
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.
The
gcvt() function returns the address of the string pointed to by
buf.
ecvt(3),
fcvt(3),
sprintf(3)
