debian man page for fmt_str

fmt_str(3)						     Library Functions Manual							fmt_str(3)

NAME
       fmt_str - write an ASCII string

SYNTAX
       #include <fmt.h>

       size_t fmt_str(char *dest,const char *source);

DESCRIPTION
       fmt_str copies all leading nonzero bytes from source to dest and returns the number of bytes it copied.

       fmt_str does not append .

       If  dest equals FMT_LEN (i.e. is zero), fmt_str returns the number of bytes it would have written, i.e. the number of leading nonzero bytes
       of source.

SEE ALSO
       strcpy(3)

																	fmt_str(3)