I want a diagram to wire a ceiling fan that has two switches in a gang box to operate the light and the fan separate with power coming in at fan

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HK, I always hope your near when it comes time for a diagram, always a wonderful job.

One thing I like to add, per Code, when the white wire is used as a hot, which is allowed for a switch loop, it must be re-identified as a hot, "permenently .... by painting or other effective means at its terminations and at each location where to conductor is visible and accessible".

A black marker works fine.

These are single pole switches in your diagram correct

Yes those are single pole switches.