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# My program -> program.c
char *line;
int line_length;
int line_size;
int main(int argc, char *argv[]) {
int i;
<<main.options>>
...
}
## Main function -> main
Here is the main function:
int main(int argc, char *argv[]) {
int i;
for (i = 1; i < argc; i++)
...
...
}
### Command-line options -> main.options
for (i = 1; i < argc; i++)
...
### Declarations -> declarations
So far, we have used the following global variables:
char *line;
int line_length;
int line_size;
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