49 ssize_t syncWrite(int fd, char *ptr, ssize_t size, long long timeout) {  in syncWrite()  argument
61         nwritten = write(fd,ptr,size);  in syncWrite()
65             ptr += nwritten;  in syncWrite()
85 ssize_t syncRead(int fd, char *ptr, ssize_t size, long long timeout) {  in syncRead()  argument
98         nread = read(fd,ptr,size);  in syncRead()
103             ptr += nread;  in syncRead()
125 ssize_t syncReadLine(int fd, char *ptr, ssize_t size, long long timeout) {  in syncReadLine()  argument
134             *ptr = '\0';  in syncReadLine()
135             if (nread && *(ptr-1) == '\r') *(ptr-1) = '\0';  in syncReadLine()
138             *ptr++ = c;  in syncReadLine()
139             *ptr = '\0';  in syncReadLine()