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13
education/software development/ECE1400/Chapter 13 Exercises.md
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@ -6,3 +6,16 @@ e. `printf('\n');` - `printf`'s first argument should be a string, not a `char`.
h. `putchar("\n");` - `putchar`'s first argument should be a `char`, not a string. h. `putchar("\n");` - `putchar`'s first argument should be a `char`, not a string.
i. `puts('\n');` - `puts`'s first argument should be a string, not a `char`. i. `puts('\n');` - `puts`'s first argument should be a string, not a `char`.
j. `puts("\n");` - `puts` will write a newline after writing a string, so this will write two newlines. j. `puts("\n");` - `puts` will write a newline after writing a string, so this will write two newlines.
> 2. Suppose that `p` has been declared as follows:
```c
char *p = "abc";
```
> Which of the following function calls are legal? Show the output produced by each legal call, and explain why all the others are illegal.
```c
// A - Not legal, because putchar accepts a `char`, not a pointer.
putchar(p);
// B - Legal, output: `a`
```