Function ImStrSkipBlank

tutorials/common/imgui/imgui.cpp:1732–1737

}

const char* ImStrSkipBlank(const char* str)
{
    while (str[0] == ' ' || str[0] == '\t')
        str++;
    return str;
}

// A) MSVC version appears to return -1 on overflow, whereas glibc appears to return total count (which may be >= buf_size).
// Ideally we would test for only one of those limits at runtime depending on the behavior the vsnprintf(), but trying to deduct it at compile time sounds like a pandora can of worm.