cs_lang:c
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cs_lang:c [2011/07/12 10:30] – cedric | cs_lang:c [2012/09/30 23:31] – [Hello World] cedric | ||
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====== Simple examples ====== | ====== Simple examples ====== | ||
+ | ===== Hello World ===== | ||
<code c> | <code c> | ||
/* Hello World program */ | /* Hello World program */ | ||
Line 14: | Line 15: | ||
{ | { | ||
printf(" | printf(" | ||
- | |||
- | |||
} | } | ||
</ | </ | ||
Line 27: | Line 26: | ||
$ ./ | $ ./ | ||
- | Hello Worldcedric | + | Hello World |
- | < | + | </code> |
+ | |||
+ | |||
+ | ===== Increment a number ===== | ||
+ | <code c> | ||
+ | #include " | ||
+ | |||
+ | char line[100]; | ||
+ | int | ||
+ | |||
+ | int main() | ||
+ | { | ||
+ | printf(" | ||
+ | fgets(line, sizeof(line), | ||
+ | sscanf(line, | ||
+ | |||
+ | printf(" | ||
+ | |||
+ | return 0; | ||
+ | } | ||
+ | </ | ||
+ | |||
+ | <code bash> | ||
+ | $ gcc -Wall test1.c | ||
+ | cedric@debian: | ||
+ | Enter a value:41 | ||
+ | Inc: 42 | ||
+ | </ | ||
+ | |||
+ | ==== Equivalent in python ==== | ||
+ | <code python> | ||
+ | >>> | ||
+ | ... value = raw_input(" | ||
+ | ... print " | ||
+ | ... | ||
+ | >>> | ||
+ | Enter a value:41 | ||
+ | Inc: 42 | ||
+ | </ | ||
+ | |||
+ | |||
+ | |||
+ | ===== Read a file ===== | ||
+ | <code c> | ||
+ | #include < | ||
+ | |||
+ | FILE *fr; /* declare the file pointer */ | ||
+ | |||
+ | main() | ||
+ | |||
+ | { | ||
+ | char line[1024]; | ||
+ | |||
+ | fr = fopen (" | ||
+ | /* " | ||
+ | |||
+ | | ||
+ | { | ||
+ | | ||
+ | } | ||
+ | | ||
+ | } | ||
+ | </ | ||
+ | |||
+ | ==== Equivalent in python ==== | ||
+ | <code python> | ||
+ | for line in open(" | ||
+ | print line | ||
+ | </code> |
cs_lang/c.txt · Last modified: 2012/09/30 23:32 by cedric