#include #include #include #define MAX_RECORDS 1000 int readdata(char * * const data, int sz) { FILE *f = fopen("data.txt", "rt"); if (!f) return 0; // failed char line[10000] = {0}; int i = 0; while (i < sz && fgets(line,sizeof(line)-2,f)) { if (strncmp(line, "name=", 5) == 0) { data[i] = malloc(strlen(line)); strcpy(data[i], line); i++; } } fclose(f); return 1; // success } const char * getname(const char *data) { static char name[32]; if (strncmp(data,"name=",5) != 0) return NULL; int i = 0; while (i < sizeof(name) && data[i+5] && data[i+5] != '&') { name[i] = data[i+5]; i++; } if (i >= sizeof(name)) return NULL; while (i < sizeof(name)) name[i++] = 0; return name; } int main() { char *data[MAX_RECORDS] = {0}; // read if (!readdata(data, MAX_RECORDS)) { printf("Internal error: failed to load data"); } // sort for (int i = 1; i < MAX_RECORDS && data[i]; i++) { if (strcmp(data[i-1],data[i]) > 0) { char *p = data[i-1]; data[i-1] = data[i]; data[i] = p; if (i > 1) i--; } } // output printf("Content-type: text/html\r\n\r\n"); printf("\n"); printf("\n"); for (int i = 0; i < MAX_RECORDS && data[i]; i++) { const char *name = getname(data[i]); printf("\n", name); } printf("

%s	Delete this

\n"); printf(""); return 0; }