man fmt_pad () - pad a string with spaces.
NAME
fmt_pad - pad a string with spaces.
SYNTAX
#include <fmt.h>
unsigned long fmt_pad(char *dest, const char *source, unsigned long srclen, unsigned long padlen, unsigned long maxlen);
DESCRIPTION
fmt_pad writes padlen-srclen spaces (if that number is positive) and then srclen characters from source. It truncates the output only if the length would exceed maxlen.
It returns the number of bytes it wrote.
fmt_pad does not append \0.
If dest equals FMT_LEN (i.e. is zero), fmt_pad returns the number of bytes it would have written.