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#include <stdio.h>
#include <sys/types.h>
#include "forward.h"
struct options_t {
int align; /* -a: default alignment column for results */
char * user; /* -u: username to run command as */
int syscalls; /* -S: display system calls */
int demangle; /* -C: demangle low-level names into user-level names */
int indent; /* -n: indent trace output according to program flow */
FILE *output; /* output to a specific file */
int summary; /* count time, calls, and report a summary on program exit */
int debug; /* debug */
size_t arraylen; /* default maximum # of array elements printed */
size_t strlen; /* default maximum # of bytes printed in strings */
int follow; /* trace child processes */
int no_signals; /* don't print signals */
#if defined(HAVE_LIBUNWIND)
int bt_depth; /* how may levels of stack frames to show */
#endif /* defined(HAVE_LIBUNWIND) */
struct filter *plt_filter;
struct filter *static_filter;
/* A filter matching library names of libraries, whose
* exported symbols we wish to trace. */
struct filter *export_filter;
int hide_caller; /* Whether caller library should be hidden. */
};
extern struct options_t options;
extern int opt_i; /* instruction pointer */
extern int opt_r; /* print relative timestamp */
extern int opt_t; /* print absolute timestamp */
extern int opt_T; /* show the time spent inside each call */
struct opt_p_t {
pid_t pid;
struct opt_p_t *next;
};
struct opt_F_t {
char *filename;
struct opt_F_t *next;
};
extern struct opt_p_t *opt_p; /* attach to process with a given pid */
extern struct opt_F_t *opt_F; /* alternate configuration file(s) */
extern char **process_options(int argc, char **argv);
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