Question

How to insert a space before capital letters in a string with C

Answer 1

#include <stdio.h>

int main(void) {
    char str[128] = "CIsAGeneralPurposeComputerProgrammingLanguage";
    char tmp[160] = "";

    tmp[0] = str[0];

    for (int i = 1, j = 1; str[i] != NULL; i++, j++) {
        if (str[i] >= 'A' && str[i] <= 'Z') {
            tmp[j] = ' ';
            tmp[j + 1] = str[i];
            j++;
        }
        else {
            tmp[j] = str[i];
        }
    }

    puts(tmp);

    return 0;
}





/*
run:

C Is A General Purpose Computer Programming Language

*/

 

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