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//! @file template.h
#ifndef OMC_TEMPLATE_H
#define OMC_TEMPLATE_H
#include "omc.h"
/**
* Map a text value to a pointer in memory
*
* @param key in-text variable name
* @param ptr pointer to string
*/
void tpl_register(char *key, char **ptr);
/**
* Free the template engine
*/
void tpl_free();
/**
* Retrieve the value of a key mapped by the template engine
* @param key string registered by `tpl_register`
* @return a pointer to value, or NULL if the key is not present
*/
char *tpl_getval(char *key);
/**
* Replaces occurrences of all registered key value pairs in `str`
* @param str the text data to render
* @return a rendered copy of `str`, or NULL.
* The caller is responsible for free()ing memory allocated by this function
*/
char *tpl_render(char *str);
/**
* Write tpl_render() output to a file
* @param str the text to render
* @param filename the output file name
* @return 0 on success, <0 on error
*/
int tpl_render_to_file(char *str, const char *filename);
#endif //OMC_TEMPLATE_H
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