38 lines
1.1 KiB
Markdown
38 lines
1.1 KiB
Markdown
# help.c
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---
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## Includes
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```c
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#include <stdio.h>
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#include "cli.h"
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```
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## Function Descriptions
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### `cli_print_help`
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Prints the help message for the command-line interface.
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#### Parameters
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- `progname`: Name of the program.
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#### Implementation
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```c
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void
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cli_print_help(const char *progname)
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{
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fprintf(stderr, "Usage: %s [OPTIONS]\n\n", progname);
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fprintf(stderr, "Extract code blocks from literate markdown files.\n\n");
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fprintf(stderr, "Options:\n");
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fprintf(stderr, " -h, --help Show this help\n");
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fprintf(stderr, " -e, --ext EXT Extension to extract (c, h, py, etc.)\n");
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fprintf(stderr, " Required for stdin, optional for files\n");
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fprintf(stderr, " -i, --input FILE Input file (default: stdin)\n");
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fprintf(stderr, " -o, --output FILE Output file (default: stdout)\n");
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fprintf(stderr, " -m, --map FILE Generate line mapping file\n\n");
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fprintf(stderr, "Examples:\n");
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fprintf(stderr, " %s -e c < input.md > output.c\n", progname);
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fprintf(stderr, " %s -i main.c.md -o main.c\n", progname);
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fprintf(stderr, " %s -e h -i file.md -o file.h -m file.map\n", progname);
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}
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```
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