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我在将main函数像fun main() {}一样 Package 在我的代码中时遇到了麻烦。有人能提供如何实现这一目标的指导吗？下面是我的代码：

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "include/acc.h"

/*
    Reference powersoft's IR
        fun - i17
        char - ch17
        const - cst17
        @return - rted17
        @if - if17
*/

/*
    Find matches let's you find matches
*/
int find_matches(const char *str, const char *spec1, const char *spec2, size_t *offsets) {
    const char *p1 = strstr(str, spec1);
    if (p1 == NULL)
        return 0;
    const char *p2 = p1 + strlen(spec1);
    const char *p3 = strstr(p2, spec2);
    if (p3 == NULL)
        return 0;
    const char *p4 = p3 + strlen(spec2);
    offsets[0] = p1 - str;
    offsets[1] = p2 - str;
    offsets[2] = p3 - str;
    offsets[3] = p4 - str;
    return 1;
}

int main(int argc, char const *argv[]) {
    double LV = 0.1;

    if (argc != 2) {
        printf(BLU "Powersoft \xF0\x9F\x9A\x80\n" reset);
        printf("version %f\n", LV);
        return 1;
    }

    FILE *fp;
    fp = fopen(argv[1], "r");

    char FS[100];
    int lineno = 0;
    if (fp != NULL) {
        while (fgets(FS, sizeof FS, fp)) {
            const char *p = FS;
            size_t off[4];
            lineno++;
            while (find_matches(p, "mode", ";", off)) {
                printf("%s:%d: found match: %.*s\n", argv[1], lineno,
                       (int)(off[3] - off[0]), p + off[0]);
                printf("%s:%d: substring: %.*s\n", argv[1], lineno,
                       (int)(off[2] - off[1]), p + off[1]);
                p += off[3];

                FILE *fp2;
                fp2 = fopen("app.pslir", "w");
                fprintf(fp2, "");
                free(fp2);
            }
        }
    } else {
        printf(BRED "Can't find file %s. Try again.\n" reset, argv[1]);
        return 1;
    }

    fclose(fp);
    // Remove cache file
    remove("matches.txt");
    return 0;
}

我试着用find_matches
谢谢你，谢谢！