C > Miscellaneous sample source codes

 Some occurences

Some occurences #include <stdio.h> int main(int argc, char *argv[]) { char line[1024]; char *ptr = NULL; char *sch = NULL; int count = 0, lcount = 0; char *oddeven[] = { "even", "odd" }; if(argc != 2) { fprintf(stderr, "Usage: cnchar CHAR < FILE\n"); return 0; } else sch = argv[1]; while(fgets(line, 1024, stdin) != NULL) { lcount++; for(ptr = line; *ptr; ptr++) { if(*ptr == *sch) count++; } if(count > 0) { printf("%03d: `%c', occurences: %d, %s\n", lcount, *sch, count, (count > 0 ? oddeven[count % 2] : " ")); count = 0; } } return 0; }



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