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printf function in c doesn’t always print the output on screen. For example if you forget to put \n at the end of string you are printfing you sometimes don’t get the o/p. Are there some other conditions when printf doesn’t print. I remember someone saying that there are 7 such conditions. Can you guys please help.
Standard out is a buffered stream, it is not guaranteed to flush unless a newline is put in, the stream is closed, or the program exits normally. If the program exits abnormally, it is possible for the stream to not flush. Standard out is line buffered, which is why a newline will flush it. There are buffers that will not flush with a newline.