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author | zlg <zlg@zlg.space> | 2013-02-13 20:48:44 -0600 |
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committer | zlg <zlg@zlg.space> | 2013-02-13 20:48:44 -0600 |
commit | 5018e06c580dd21c958ec1672c26a3448faf0c55 (patch) | |
tree | cebbb56dad0a6b821cad3712c7977f6f9b0086ab /ch1/1-10_literal-escapes.c | |
parent | Fix 1-09's solution (diff) | |
download | knr-5018e06c580dd21c958ec1672c26a3448faf0c55.tar.gz knr-5018e06c580dd21c958ec1672c26a3448faf0c55.tar.bz2 knr-5018e06c580dd21c958ec1672c26a3448faf0c55.tar.xz knr-5018e06c580dd21c958ec1672c26a3448faf0c55.zip |
Add license file, reorganize project
Diffstat (limited to 'ch1/1-10_literal-escapes.c')
-rw-r--r-- | ch1/1-10_literal-escapes.c | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/ch1/1-10_literal-escapes.c b/ch1/1-10_literal-escapes.c new file mode 100644 index 0000000..903fff4 --- /dev/null +++ b/ch1/1-10_literal-escapes.c @@ -0,0 +1,33 @@ +#include <stdio.h> + +/* 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; +} |