Reading from a file

I'm trying to read a string from a file using ReadFile() until it hits an astrisk.

I tried this but it didn't seem to work.

Code:

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LPSTR lpzFileBuffer;
LPSTR lpzFileSize;

while (!strcmp(lpzFileBuffer, "*"))
{
  ReadFile(hInputFile, lpzFileBuffer, 1, &dwRead, NULL);
  strcat(lpzFileSize, lpzFileBuffer);
}

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