Exercise 1-2 (Print escapes)

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Exercise 1-2     K&R,  p. 8

Exercise 1-2. Experiment to find out what happens when printf()'s argument string contains \c, where c is some character not listed above.

helloc.c         download

#include <stdio.h> // for printf()

int main()
{
printf("Hello,\t\'world!\b\'\n");
}
/*
gcc helloc.c
./a.out
Hello, 'world'
*/

Notes:

\t  is tab, \b  is backspace, \'  produces  ',  !\b  deletes  !
You could also include  \"  for quotes within the quoted string argument of  printf(), as in
printf("Hello, \"world!\"\n");
which produces the output
Hello, "world!"
You can also include  \f  (form feed),  \v  (vertical tab),  \r  (carriage return) or other escape_sequences.
See also quotes, Exercise_1-10, and Exercise_3-2.

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