## Example main.c
```C
#include <stdio.h>
#include "sass/context.h"
int main( int argc, const char* argv[] )
{
// get the input file from first argument or use default
const char* input = argc > 1 ? argv[1] : "styles.scss";
// create the file context and get all related structs
struct Sass_File_Context* file_ctx = sass_make_file_context(input);
struct Sass_Context* ctx = sass_file_context_get_context(file_ctx);
struct Sass_Options* ctx_opt = sass_context_get_options(ctx);
// configure some options ...
sass_option_set_precision(ctx_opt, 10);
// context is set up, call the compile step now
int status = sass_compile_file_context(file_ctx);
// print the result or the error to the stdout
if (status == 0) puts(sass_context_get_output_string(ctx));
else puts(sass_context_get_error_message(ctx));
// release allocated memory
sass_delete_file_context(file_ctx);
// exit status
return status;
}
```
### Compile main.c
```bash
gcc -c main.c -o main.o
gcc -o sample main.o -lsass
echo "foo { margin: 21px * 2; }" > foo.scss
./sample foo.scss => "foo { margin: 42px }"
```