Visual c++ код перевести в gcc linux код

#include "stdio.h"
#pragma hdrstop
 
//---------------------------------------------------------------------------
 
#pragma argsused
int main(int argc, char* argv[]) {
int i;
char c;
FILE *myfile;
char inword=0;
int wordCount=0, stringCount=0, symbCount=0;
int symbUsed[256], lengthPopularity[50], wordLength=0;
 
for(i=0;i<=255;i++){
symbUsed[i]=0;
}
for(i=0;i<50;i++){
lengthPopularity[i]=0;
}
//1
printf("Hello, world!\n");
//2
printf("argc = %d\nparametrs:\n",argc);
if (argc==1) return 0;
for (i=0;i<argc;i++){
printf((const signed char*)argv[i]);
printf("\n");
}
//3
if(! (myfile=fopen(argv[1],"r+")))return 0;
do{
fread(&c,1,1,myfile);
printf("%c",c);
 
if((c<'A' || c>'z')&&inword){
inword=0;
lengthPopularity[wordLength]++;
wordLength=0;
}
else if ((c>'A' && c<'z')&&!inword){
inword=1;
wordCount++;
}
if(c==10) stringCount++;
symbCount++;
if (c>'A' && c<'z')wordLength++;
 
symbUsed[c]++;
}
while(!feof(myfile));
symbCount--;
stringCount++;
printf("words %d\nstrings %d\nsymbols %d\n", wordCount,stringCount,symbCount);
//4
for(i=0;i<=255;i++){
if(symbUsed[i]) printf("symbol %c was used %d times\n", (char)i,symbUsed[i]);
}
//5
fseek(myfile,0,SEEK_SET);
inword=0;
while(!feof(myfile)){
fread(&c,1,1,myfile);
if(c=='a' ||c=='A'){
inword=1;
}
if(c<'A' || c>'z'){
if(inword) printf("\n");
inword=0;
}
if(inword)printf("%c",c);
}
//10
for(i=0;i<50;i++){
if(lengthPopularity[i]) printf("length %d was used %d times\n", i,lengthPopularity[i]);
}
return 1;
}