diff options
Diffstat (limited to 'c.html.markdown')
| -rw-r--r-- | c.html.markdown | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/c.html.markdown b/c.html.markdown index f2b9047b..69bf099e 100644 --- a/c.html.markdown +++ b/c.html.markdown @@ -2,6 +2,7 @@ language: c author: Adam Bard author_url: http://adambard.com/ +filename: learnc.c --- Ah, C. Still the language of modern high-performance computing. @@ -12,6 +13,7 @@ memory management and C will take you as far as you need to go. ```c // Single-line comments start with // + /* Multi-line comments look like this. */ @@ -19,6 +21,7 @@ Multi-line comments look like this. // Import headers with #include #include <stdlib.h> #include <stdio.h> +#include <string.h> // Declare function signatures in advance in a .h file, or at the top of // your .c file. @@ -75,7 +78,7 @@ unsigned long long ux_long_long; // on your machine. sizeof(T) gives you the size of a variable with type T in // bytes so you can express the size of these types in a portable way. // For example, -printf("%d\n", sizeof(int)); // => 4 (on machines with 4-byte words) +printf("%lu\n", sizeof(int)); // => 4 (on machines with 4-byte words) // Arrays must be initialized with a concrete size. char my_char_array[20]; // This array occupies 1 * 20 = 20 bytes @@ -107,7 +110,7 @@ Char #17 is the NUL byte. Chars #18, 19 and 20 have undefined values. */ -printf("%d\n", a_string[16]); => 0 +printf("%d\n", a_string[16]); // => 0 /////////////////////////////////////// // Operators |