errno markdown generator

generate.c

#include <string.h>
#include <errno.h>
#include <stdio.h>
#include <stdbool.h>
#include "startswith.h"
int main() {
	// Start the markdown table
	printf("|Number|description|\n|----|----|\n");
	int i;
	for (i = -1000; i < 1000; ++i)
	{
		char *errdesc = strerror(i);
		// Don't log unknown errors
		if(startsWith(errdesc, "Unknown error ")) {
			continue;
		}
		// Log as a table, so you can send the output to a .md file and open it
		printf("|%d|%s|\n", i, errdesc);
	}
}

Makefile

.PHONY: default run clean
default: generate
generate: generate.o
	gcc -o generate generate.o
generate.o: generate.c startswith.h
	gcc -c -o generate.o generate.c
run: generate
	./generate
clean:
	rm *.o generate test

startswith.h

// From https://stackoverflow.com/a/15515276/14639867
bool startsWith(const char *a, const char *b)
{
   if(strncmp(a, b, strlen(b)) == 0) return 1;
   return 0;
}