#include <stdio.h> #include <string.h> void parse_gprmc(char *nmea) { char item[7][10] = {0}; int idx = 0; char *p0 = nmea; char *p1 = nmea; do { if ((*p1 == ',') || (*p1 == '\0')) { char *tgt = item[idx++]; int size = 0; while ((p0 < p1) && (size < (10 - 1))) { *tgt++ = *p0++; size++; } *tgt = '\0'; p0++; } } while (*p1++); p0 = item[1]; printf("Time: %c%c:%c%c:%c%c\n", p0[0], p0[1], p0[2], p0[3], p0[4], p0[5]); printf("Latitude: %s %s\n", item[3], item[4]); printf("Longitude: %s %s\n", item[5], item[6]); } int main() { char nmea[100]; fgets(nmea, sizeof(nmea), stdin); parse_gprmc(nmea); return 0; }
Test Cases
Test Results
Input
$GPRMC,123519,A,4807.038,N,01131.000,E
Expected Output
Time: 12:35:19 Latitude: 4807.038 N Longitude: 01131.000 E