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$ gem install vimgolf
$ vimgolf setup
$ vimgolf put 4d1a6ed2b8cb3409320000c9

Add fold markers to a .c file

Fold markers can make it easier to navigate source code. Add them to this .c file.

Start file
#include <string.h>
#include <stdio.h>
#include <stdlib.h>
#include <assert.h>

void copy(char *to, char *from, size_t count) {
    register n=(count+7)/8;
    switch(count%8){
    case 0: do{     *to = *from++;
    case 7:         *to = *from++;
    case 6:         *to = *from++;
    case 5:         *to = *from++;
    case 4:         *to = *from++;
    case 3:         *to = *from++;
    case 2:         *to = *from++;
    case 1:         *to = *from++;
            }while(--n>0);
    }
}

int main() {
    char *input = malloc(sizeof(char) * 1024);
    assert(input);
    char *output = malloc(sizeof(char) * 1024);
    assert(output);
    copy(output, input, sizeof(char) * 1024);
    return 0;
}
End file
#include <string.h>/*{{{*/
#include <stdio.h>
#include <stdlib.h>
#include <assert.h>
/*}}}*/

void copy(char *to, char *from, size_t count) {/*{{{*/
    register n=(count+7)/8;
    switch(count%8){
    case 0: do{     *to = *from++;
    case 7:         *to = *from++;
    case 6:         *to = *from++;
    case 5:         *to = *from++;
    case 4:         *to = *from++;
    case 3:         *to = *from++;
    case 2:         *to = *from++;
    case 1:         *to = *from++;
            }while(--n>0);
    }
}/*}}}*/

int main() {/*{{{*/
    char *input = malloc(sizeof(char) * 1024);
    assert(input);
    char *output = malloc(sizeof(char) * 1024);
    assert(output);
    copy(output, input, sizeof(char) * 1024);
    return 0;
}/*}}}*/

View Diff

1c1
< #include <string.h>
---
> #include <string.h>/*{{{*/
4a5
> /*}}}*/
6c7
< void copy(char *to, char *from, size_t count) {
---
> void copy(char *to, char *from, size_t count) {/*{{{*/
19c20
< }
---
> }/*}}}*/
21c22
< int main() {
---
> int main() {/*{{{*/
28c29
< }
---
> }/*}}}*/

Solutions by @xav_kt:

Unlock 10 remaining solutions by signing in and submitting your own entry
Created by: @wolever

173 active golfers, 565 entries

Solutions by @xav_kt:
30
#31 - xavier kt / @xav_kt

02/03/2013 at 08:48PM

30
#>31 - xavier kt / @xav_kt

02/03/2013 at 08:50PM

31
#>50 - xavier kt / @xav_kt

02/03/2013 at 08:47PM

32
#>60 - xavier kt / @xav_kt

02/03/2013 at 08:46PM

34
#>74 - xavier kt / @xav_kt

02/03/2013 at 08:44PM

35
#>91 - xavier kt / @xav_kt

02/03/2013 at 08:41PM

36
#>102 - xavier kt / @xav_kt

02/03/2013 at 08:38PM

37
#>122 - xavier kt / @xav_kt

02/03/2013 at 08:36PM

38
#>127 - xavier kt / @xav_kt

02/03/2013 at 08:34PM

48
#>151 - xavier kt / @xav_kt

02/03/2013 at 08:31PM