Use C language and implement the following functions:

-Convert SES variable to a factor and assign the value labels “low”, ”middle” and “high” to the 3 levels of thevariable. Then -Define the variables complic, comorb, depressi, diabetes as factors. For all these factors, a zero means “no” and a 1 means “yes”. Assign these value labels through the function factor() and check the change using str()

Using the C Standard Library, answer the following questions by finding functions from the headers.

Write appropriate C code for the following situation:

How should I answer the following regarding the first main function?