fmt_plusminus man page
fmt_plusminus — write '+' or '-' #include <fmt.h> size_t fmt_plusminus(char *dest,signed int source); fmt_plusminus writes '-' to dest if source is negative, '+' if source is positive, nothing otherwise. It returns the number of bytes written. fmt_plusminus does not append \0. If dest equals FMT_LEN (i.e. is zero), fmt_plusminus returns the number of bytes it would have written.Syntax
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