#include #include #include #include #include void main() { int fd; struct stat buf; fd=open("f5.txt",O_RDONLY|O_CREAT,600); if(fd!=-1) { if(fstat(fd,&buf)==0) { printf("mode of fileis %u",buf.st_mode); printf("n size of the file is %u",buf.st_size); printf("n…
cp COMMAND: cp command copy files from one location to another. If the destination is an existing file, then the file is overwritten; if the destination is an existing directory, the…
mv COMMAND:mv command which is short for move. It is used to move/rename file from one directory to another. mv command is different from cp command as it completely removes…
Alarm() function: The alarm API can be called by a process to request the kernel to send the SIGALRM signal after a certain number of real clock seconds. The function prototype…
Lex %{ #include"y.tab.h" #include %} %% ([0-9]+|([0-9]*.[0-9]+)([eE][-+]?[0-9]+)?) {yylval.dval=atof(yytext);return NUMBER;} log | LOG {return LOG;} In {return nLOG;} sin | SIN {return SINE;} cos | COS {return COS;} tan | TAN…
ALGORITHM:1. Start 2. Include the header file.3. In int code.l,declare the variable lie no as integer and assign it to be equal to ‘1’.4. Start the int code.l with declarative section.5.…
//Implement any one storage allocation strategies (Heap,Stack,Static) #include #include #include #define TRUE 1 #define FALSE 0 typedef struct Heap { int data; struct Heap *next; }node; node *create(); void main()…
ALGORITHM: Input: Set of ‘L’ values with corresponding ‘R’ values. Output: Intermediate code & Optimized code after eliminating common expressions. //C program to implement Code Optimization Techniques. #include #include #include struct op…
#include #include void FIRST(char[],char ); void result(char[],char); int nop; char prod[10][10]; void main() { int i; char choice; char c; char res1[20]; clrscr(); printf("How many number of productions ? :");…
INSERTION SORTStart with an empty left hand [sorted array] and the cards face down on the table [unsorted array].Then remove one card [key] at a time from the table [unsorted…