Basic knowledge of C language 1

Summary of the key points of C language knowledge

1 in the C language, the result of the relational operation is "true", return 1, "false" returns 0

printf ("input value is%d4);

Returns the result as

2 It is also important to note that in C, any non-0 value is true and only 0 values are false.

if (1) { printf ("return result 1"),3}else{ printf ("Return result 2");5}     

In the actual development, encountered the C language of some technical points, hereby recorded, convenient for peer use, gift roses, fingers stay fragrant.

Basic knowledge of C language 1