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Using CW 10 on a 604 based Mac-clone I have a C program that reads a binary file a few bytes at a time. The SIOUX implemented fread() function is almost 10 times faster than the Mac Toolbox function FSRead() at reading the whole file. I would have thought that fread() just calls FSRead() but apparently that's not the case. Is the problem just buffering? Does fread() have built in buffering that FSRead() lacks?
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Using CW 10 on a 604 based Mac-clone I have a C program that reads a binary file a few bytes at a time. The SIOUX implemented fread() function is almost 10 times faster than the Mac Toolbox function FSRead() at reading the whole file. I would have thought that fread() just calls FSRead() but apparently that's not the case. Is the problem just buffering? Does fread() have built in buffering that FSRead() lacks?

fread vs. FSRead

Kernel and system programming is the process of creating the software necessary for a computer or device to function and operate other programs. Some operating systems (such as Microsoft Windows) are proprietary, but others, such as the various Linux distributions, are open source.