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#include <stdio.h>
#include <string.h>
typedef char bool;
#define true 1
#define false 0
int main(int argc, char** argv){
FILE* in;
if (argc >= 2)
in = fopen(argv[1], "r");
else
in = stdin;
if (in == NULL){
perror(argv[1]);
return 1;
}
int c;
bool nl = true;
bool cmd = false;
char cmds[81];
int cmdlen = 0;
while ( (c = fgetc(in)) != EOF){
if (c == '\n'){
if (cmd){
if (! strncmp(cmds,"CT",2)){
for (int i=0; i<(83-strnlen(cmds,80))/2; i++)
printf(" ");
printf("%s\n",cmds+3);
} else printf("%s\n",cmds);
cmd = false;
cmds[0] = '\0';
cmdlen = 0;
}
else printf("\n");
nl = true;
}
else{
if (c == '.' && nl)
cmd = true;
else if (cmd){
cmds[cmdlen] = c;
cmds[cmdlen+1] = '\0';
cmdlen++;
}
else printf("%c",c);
nl = false;
}
}
return 0;
}
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