From 9ff9f305ff7059681d691d750582e6259cd90b59 Mon Sep 17 00:00:00 2001 From: zlg Date: Thu, 7 Feb 2013 02:52:52 -0600 Subject: Solve Exercises 1-1 to 1-12 It was bugging me and the exercises are simple, so I pumped'em out. --- 1-10_literal-escapes.c | 33 +++++++++++++++++++++++++++++++++ 1 file changed, 33 insertions(+) create mode 100644 1-10_literal-escapes.c (limited to '1-10_literal-escapes.c') diff --git a/1-10_literal-escapes.c b/1-10_literal-escapes.c new file mode 100644 index 0000000..903fff4 --- /dev/null +++ b/1-10_literal-escapes.c @@ -0,0 +1,33 @@ +#include + +/* The C Programming Language, 2nd Edition + * + * Exercise 1-10: Write a program to copy its input to its output, replacing + * each tab by '\t', each backspace by '\b', and each backslash by '\\'. This + * makes tabs and backspaces visible in an unambiguous way. + * + * Answer: Run a loop with getchar() and check its value. When you run into a + * tab, backspace, or backslash, just output the two characters and move on. + */ + +int main(void) { + char c; + + while ((c = getchar()) != EOF) { + if (c == '\t') { + printf("\\t"); + continue; + } + if (c == '\b') { + printf("\\b"); + continue; + } + if (c == '\\') { + printf("\\\\"); + continue; + } + putchar(c); + } + + return 0; +} -- cgit v1.2.3-54-g00ecf