Possible Duplicate:
what is the difference between #include <filename> and #include “filename”
In both cases there is no error ...Is there any difference between them ?
One easy way to differentiate these two header files is that “<stdio. h>” contains declaration of printf() and scanf() while “<stdlib. h>” contains declaration of malloc() and free(). In that sense, the main difference in these two header files can considered that, while “<stdio.
conio talks directly to the hardware, stdio goes through the STDIO traps, so it can be redirected to a file, through a pipe to another program, or even to the serial port. As a result, stdio is line oriented and conio is full screen oriented.
<stdio.h>
searches in standard C library locations, whereas "stdio.h"
searches in the current directory as well.
Ideally, you would use <...>
for standard C libraries and "..."
for libraries that you write and are present in the current directory.
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