shell_vars.h

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#ifndef _SHELL_VARS_H
#define _SHELL_VARS_H

#include <stdio.h>

#define MAX_VAR_LEN   32

int is_authorized_varname(char *str);

char *get_var_value(char *varname);

int set_var_value(char *varname, char *var_value);

int free_var(char *varname);

void print_varlist(FILE * output, int is_dlen);

#endif