fn strcat(noalias dst: [*:0]c_char, noalias src: [*:0]const c_char) callconv(.c) [*:0]c_char
fn strcat(noalias dst: [*:0]c_char, noalias src: [*:0]const c_char) callconv(.c) [*:0]c_char { return strncat(dst, src, std.math.maxInt(usize)); }