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Pointer is a C language feature that consists of: Pointing to or accessing memory addresses. Access variables that are not accessible in a function. Return one or more values in a function. Among others… How to declare a pointer: Tipo *Variável; Example: #include void main() { int *p, q; q = 1; p = &q;
Simple C program that calculates the factorial of any number: #include int main() { int fat, n; printf(“Enter a value for which you want to calculate your factorial: “); scanf(“%d”, &n); for(fat = 1; n > 1; n = n – 1) fat = fat * n; printf(“\nFactorial calculated: %d”, fat); return 0; } How
All loops have the same function, which is to repeat an instruction a certain or undetermined number of times. The structure of the FOR loop is as follows: for(inicialização; condição; incremento) comandos; For example: #include voi main() { int x; for(x = 0; x <= 100; x++) printf(“%d”, x); } The program above displays numbers
