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#include <stdio.h>
#include <stdlib.h>
#include <stdarg.h>
#include <string.h>
#include <errno.h>
#include <unistd.h>
#include <ccan/talloc/talloc.h>
#include <ccan/grab_file/grab_file.h>
#include <ccan/rfc822/rfc822.h>
static void process_file(const char *name)
{
void *ctx = talloc_new(NULL);
size_t size;
void *buf;
struct rfc822_msg *msg;
struct rfc822_header *hdr;
buf = grab_file(ctx, name, &size);
msg = rfc822_start(ctx, buf, size);
rfc822_for_each_header(msg, hdr) {
struct bytestring hname = rfc822_header_raw_name(msg, hdr);
printf("%.*s\n", hname.len, hname.ptr);
}
talloc_free(ctx);
}
int main(int argc, char *argv[])
{
int i;
for (i = 0; i < (argc - 1); i++)
process_file(argv[i + 1]);
exit(0);
}
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