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#include<stdio.h> #include<conio.h> #include<stdlib.h> main() { FILE *fs1, *fs2, *ft; char ch, file1[20], file2[20], file3[20]; printf("Enter name of first file "); gets(file1); printf("Enter name of second file "); gets(file2); printf("Enter name of file which will store contents of two files "); gets(file3); fs1 = fopen(file1,"r"); fs2 = fopen(file2,"r"); if( fs1 == NULL || fs2 == NULL ) { perror("Error "); printf("Press any key to exit...\n"); getch(); exit(EXIT_FAILURE); } ft = fopen(file3,"w"); if( ft == NULL ) { perror("Error "); printf("Press any key to exit...\n"); exit(EXIT_FAILURE); } while( ( ch = fgetc(fs1) ) != EOF ) fputc(ch,ft); while( ( ch = fgetc(fs2) ) != EOF ) fputc(ch,ft); printf("Two files were merged into %s file successfully.\n",file3); fclose(fs1); fclose(fs2); fclose(ft); getch(); return 0; }