Either the condition '!p' is redundant or there is possible null pointer dereference: p.

Either the condition '!abc' is redundant or there is possible null pointer dereference: abc.

Either the condition '!abc' is redundant or there is possible null pointer dereference: abc.

Either the condition 'tok' is redundant or there is possible null pointer dereference: tok.

Undefined behaviour, pointer arithmetic 'arr+20' is out of bounds.

Array index 'i' is used before limits check.

Array index 'i' is used before limits check.

Array index 'i' is used before limits check.

Array index 'i' is used before limits check.

Array index 'i' is used before limits check.

Array index 'i' is used before limits check.

Array 'x.buf[10]' accessed at index 10, which is out of bounds.

Array 'tab4[20]' accessed at index 20, which is out of bounds.

Array 'tab4[20]' accessed at index 20, which is out of bounds.

Array 'tab4[20]' accessed at index 20, which is out of bounds.

Array 'x[10]' accessed at index 10, which is out of bounds.

Array 'p[10]' accessed at index 10, which is out of bounds.

Array 'tab4[20]' accessed at index 20, which is out of bounds.

Array 's[10]' accessed at index 10, which is out of bounds.

Array 'f->c[10]' accessed at index 10, which is out of bounds.

Array 'str[3]' accessed at index 3, which is out of bounds.

Undefined behaviour, when 'i' is 123 the pointer arithmetic 'x-i' is out of bounds.

Undefined behaviour, pointer arithmetic 'x-1' is out of bounds.

Undefined behaviour, pointer arithmetic 's->a+100' is out of bounds.

Undefined behaviour, when 'i' is -1 the pointer arithmetic 'x+i' is out of bounds.