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C - scanf () vs gets () vs fgets () - Stack Overflow And the difference between gets scanf and fgets is that gets(); and scanf(); only scan until the first space ' ' while fgets(); scans the whole input (but be sure to clean the buffer afterwards so you wont get an overflow later on)
warning: passing argument 1 of ‘gets’ makes pointer from integer . . . The first argument to gets() is a char*, a pointer to a buffer It doesn't return an int If you look at some documentation on gets, you'll see how it is properly used Once you read the string in, you'll need to use atoi to convert from ASCII to an integer Note that you are better off using something like fscanf (stdin, "%d", input); to scan the input stream for the input you desire
c++ - Is gets () officially deprecated? - Stack Overflow The only way you can ever use gets is if stdin is known to be attached to a file whose contents you have full control over This condition is almost impossible to satisfy, especially on multiprocess systems where other processes may modify files asynchronously with respect to your program
gets() function gets skipped from the second time onwards The problem: After typing y Enter in response to your prompt, the input stream for your program contains the characters 'y' and '\n' (the newline character) The scanf call removes the 'y' character from the input stream, leaving the newline character in place gets reads from the input stream until it sees a newline character, which it discards; since the first thing it sees is the newline