Zig 0.17.0-dev (Split by item)

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strrchr

string.strrchr

fn strrchr(str: [*:0]const c_char, value: c_int) callconv(.c) ?[*:0]c_char

File

lib/c/string.zig:139

Code

fn strrchr(str: [*:0]const c_char, value: c_int) callconv(.c) ?[*:0]c_char {
    const str_u8: [*:0]const u8 = @ptrCast(str);
    // std.mem.len(str) + 1 to not special case '\0'
    return @constCast(str[std.mem.findScalarLast(u8, str_u8[0 .. std.mem.len(str_u8) + 1], @truncate(@as(c_uint, @bitCast(value)))) orelse return null ..]);
}