Ans. External variables are declared outside all functions,i.e. in the beginning of the program file. As all the functions will be defined after these variables declarations , so these variables are visible to all functions in a program file .
Features of C Language C is the widely used language. It provides many features that are given below. 1. Simple 2. Portable 3. Mid-level programming language 4. Structured programming language 5. Rich Library 6. Memory Management 7. Fast Speed 8. Pointers 9. Recursion
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