text: #ifndef INC_NMEA_PARSE_H
  #define INC_NMEA_PARSE_H
  
  #define _XOPEN_SOURCE /* glibc2 needs this */
  #include <stdlib.h>
  #include <string.h>
  #include <time.h>
  #include "../nmea/nmea.h"
  
  #define NMEA_TIME_FORMAT	"%H%M%S"
  #define NMEA_TIME_FORMAT_LEN	6
  
  #define NMEA_DATE_FORMAT	"%d%m%y"
  #define NMEA_DATE_FORMAT_LEN	6
  
  #ifdef __cplusplus
  extern "C" {
  #endif
  
  /**
   * Parse GPS position longitude or latitude
   *
   * s string containing the position. Ex: "4712.55", 47 degrees and
   *   12.55 minutes. Will be modified.
   * pos is a pointer to a nmea_position struct where the result should be stored.
   *
   * Returns 0 on success, otherwise -1.
   */
  int nmea_position_parse(char *s, nmea_position *pos);
  
  /**
   * Parse cardinal direction
   *
   * s is a string containing the letter representing the cardinal direction.
   *
   * Returns the cardinal direction (nmea_cardinal_t). On failure,
   *         NMEA_CARDINAL_DIR_UNKNOWN is returned.
   */
  nmea_cardinal_t nmea_cardinal_direction_parse(char *s);
  
  /**
   * Parse time from a string
   *
   * s is a string containing the time in format "HHMMSS".
   * time is a pointer to a tm struct where the parser time will be stored.
   *
   * Returns 0 on success, otherwise -1.
   */
  int nmea_time_parse(char *s, struct tm *time);
  
  /**
   * Parse date from a string
   *
   * s is a string containing the time in format "DDMMYY".
   * time is a pointer to a tm struct where the parser date will be stored.
   *
   * Returns 0 on success, otherwise -1.
   */
  int nmea_date_parse(char *s, struct tm *time);
  
  #ifdef __cplusplus
  }
  #endif
  
  #endif  /* INC_NMEA_PARSE_H */
  